1. Find the exact value: sinB: Given tanB= -2/5, 3t/2

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A: Given, cosθ=-45  where 180°<θ<270°We know that ,sin2θ+cos2θ=1sin2θ+-452=1sin2θ+1625=1Subtract…

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A: Answer and explanation is given below

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Q: 7) Find the exact function value If It exists. a) Sin-240° = %3D b) Sec 270° =

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A: It is given that, t=tan-1(4/3) or, tan(t)=4/3......(1)

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A: Solving the problem by finding the value of the function.

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Q: 1. Evaluate the value of sin (Arctan(-4/3) + Arccos(-5/13))

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A: According to our, policy we are allowed to solve only 1 question per post and 3 sub questions. I…

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Q: Let cos(22∘)≈0.9272. What is the the value of xx, in degrees, for sin(x)≈0.9272 ?  what does X = ?

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Q: ) Find the exact simplified value. A pu 13л cosG) 13л sin 18 COS COs -sin 18

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Q: 3. Find the exact value. (a) sin 6 137 (b) сos 4 (c) tan 3 (d) csc 2

A: To Find the exact value:-  a) sin 7π6 = sin π+π6 = -sin π6 = - 32   b) cos 13π4 = cos 3π+π4 =…

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A: Consider the given trigonometric equation sinx=513  ,  0&lt;x&lt;π2 First, find the value cosx…

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Q: 91. If tan 0 3, find the value of: tan e+ tan (0+ w) + tan (0 + 2m)

A: As per our guidelines we are supposed to answer only one question. Kindly repost other question as…

Q: Find the exact value of the given expression. cos 2 tan

A: We have to find the exact value of the expression: cos2tan-1125 We know that cos2θ=1-tan2θ1+tan2θ…

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Q: Suppose v is in the interval with tan v = -5. Find the exact expression for the indicated quantity.…

A: tan(v-12π)=tan(-(12π-v))

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