Find angle A (to the nearest 0.1 degrees) if COS A = 0.5432.

Q: 4) cos Z 12 Y 37 35 A) 0.3429 B) 0.9459 C) 0.3243

A: cos θ = adj / hyp Here with respect to z , adj = YZ, hyp =XZ YZ = 35 XZ = 37 cos Z  = 35/37 =…

Q: Find the values of cos t and sin t, where t is the radian measure of the angle shown.

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Q: Find an angle e between 180° and 270° which satisfies the equation cos 0 = 2

A: We know that cos is negative in 1st 2nd and 3rd quadrant.  cos(45degree)= 1/(root2)

Q: What is cos 0 if 0 is an angle in the second quadrant and sin 0 = V3 7 A

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Q: Find the angle 0 between v= 8i- 6j and w=-12i- 5j. If necessary, round to the nearest tenth of a…

A: Given  v=8i-6j w=-12i-5j

Q: When using the half-angle formula for sin (A/2) or cos (A/2), the sign in front of theradical is…

A: When using the half-angle formula for sin (A/2) or cos (A/2), the sign in front of theradical is…

Q: Suppose ABC is a right triangle, and the tangent of A is 30/6. What is the value of cos A?

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Q: Find angle A rounded to the nearest tenth of a degree when cos A = 0.4104.

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Q: Find (a) sin(?) and cos(?), (b) tan(?) and cot(?), and (c) sec(?) and csc(?). Assume x = 4, y = 9.

A: Solution is given as below:

Q: Use the given conditions to find the exact values of sin(2u), cos(2u), and tan(2u) using the…

A: Cosu =4/5 We can calculate Sinu by using Pythagoras theorem Hence sinu = 3/5

Q: Given cos 0 = , find the value of sec 0 12

A: cosθ=-712

Q: Given that sin(0) V17 Y, and 0 is in quadrant II, what is cos(0)?

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Q: Approximate the acute angle u to the nearest (a) 0.01 and (b) 1'.

A: Approximate the acute angle u to the nearest (a) 0.01 and (b) 1 Given, cosθ=0.8

Q: If the angle 0 is in standard position and P(x, y) is a point on the terminal side of 0, and r is…

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Q: Approximate the acute angle u to the nearest (a) 0.01 and (b) 1'. SNIPP

A: Approximate the acute angle u to the nearest (a) 0.01 and (b) 1 Given, cos θ = 0.8620

Q: Given that cot(0) < 0 and cos(0) < 0, in which quadrant does 0 lie?

A: Cot θ &lt; 0Cos θ &lt;0We have to find θ lies in which quadrant

Q: If cos7A = sin(A-60) where 7A is an acute angle , Find the value of A

A: Solution Given cos 7A = sin ( A - 6⁰ ) sin ( 90⁰ - 7A )= sin ( A - 6⁰ ) Since ( 90⁰ - 7A ) and  ( A…

Q: If sin a (a) = 0.633 and sin B = 0.861 with both angles' terminal rays in Quadrant-l, find the…

A: step1:we have given thatsin α=0.633sin β=0.861we know thatsin2 α+cos2 α=1⇒cos2 α=1-sin2 α⇒cos2…

Q: Find sin 0, where 0 is the angle shown.

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Q: Use the figure shown to the right and the given values to find c, sin 0, and tan 0. α a = 8, b = 15

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Q: For positive acute angles A and B, it is known that sin A=40/41 and tan B=28/45​. Find the value of…

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Q: Find each angle measure to the nearest degree. 1) sin B = 0.4848 2) sin A = 0.5150 %3D 3) cos A =…

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Q: Find the angle between u=2i+j and v=-4i+10j in degrees as a decimal rounded to the nearest hundredth

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Q: for angle A it is known that cos (A) < 0 and csc (A) = 10.  If A is drawn in standard position, in…

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Q: Identify the quadrant for the angle 0 satisfying the following conditions. sin 0 0 and cos 0 <0

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Q: Use the given right triangle to find ratios, in reduced form, for sin A, cos A, and tan A. B 17 15

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Q: For positive acute angles A and B, it is known that tan A = and 5 cos B=3. Find the value of sin(A -…

A: Sol:- tan(A)=pb=409 ; h = 402+92=41Therefore , sin(A)=ph=4041cos(B)=bh=513 ; p = 132-52=12Therefore…

Q: Find tan0, where 0 is the angle shown. Give an exact value, not a decimal approximation. 25

A: We know the Pythagoras theorem  Hypotenuse2 = Base2 + Altitude2 Here ,  Hypotenuse = 25 Base = 7…

Q: Consider the right triangle below. What is the ratio of cos(H)?

A: I think it is cos(B) In the given right angle triangle ABC cos(B)=adjacent side/hypotenuse

Q: Determine the value of tan 0 given that the terminal side of angle 0 intersects the unit circle in…

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Q: If cos 0 0, what Quadrant is P(0) located?

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Q: Find the exact value of cos if a is the angle in the diagram below. 2

A: Here we have to find the exact value of cosα2=?

Q: Find the angle 0 between v = cos 60°i+ sin 60°j and w = cos 135°i+ sin 135°j. If necessary, round to…

A: Find the angle between two vectors

Q: Approximate the acute angle u to the nearest (a) 0.01 and (b) 1'.

A: tanθ=3.7

Q: Find tan(0) + sin(0) for the angle 0 shown. 7

A: Find tanθ+sinθ for the angle θ .

Q: Use the appropriate compound angle formula to find the exact value of cos 3

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Q: If cos a = 0.552 and sin B = 0.324 with both angles' terminal rays in Quadrant-I, find the values of…

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Q: If sint = and t is in quadrant III, find the value 13 %3D of cos t.

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Q: in a right triangle cos(b)=1/2, what is the value of sin(a)

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Q: Find the exact value by using a half-angle identity. cos 165°

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Q: For an angle <0 < T, f ind 0 for sin( ) + csc( ) + cos ( ) = 3

A: It is trigonometric value.

Q: O is an angle in standard position whose terminal arm is in quadrant III and Sin 0 3 Find COs O V13

A: Solve the above problem.

Q: Use an appropriate Half-Angle Formula to find the exact value of the expression. co()

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Q: 9. Write cot (0) in terms of cos(0) for angles 0 in quadrant III.

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Q: Use the given right triangle to find ratios, in reduced form, for sin A, cos A, and tan A.

A: Given data: The first given length is AC=15. The second given length is BC=8. The third given length…

Q: Let ZD be an acute angle such that cos D = 0.33 . Use a calculator to approximate the measure of ZD…

A: For a angle ∠D, if given cos D=a⇒D=cos-1a, where -1≤a≤1

Q: Find the ratios for cos A and sin B. A 5 3 Not drawn to scale cos A = sin B =}

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Q: For positive acute angles A and B, it is known that Sin A=21/29 and Cos B=7/25. Find the value of…

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Q: Given that 16cot A = 12:Find the value of sinA + cos A sinA – cosA -

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