Use the information given about the angle 0, 0 s0 s 2n, to find the exact value of the indicated trigonometric function. 7) sin 0 - 0c0< Find sin 7) A) E B) VS - 2/15 Vs • 2/15 V10 8) sec 0 - 4, 0 < 0 < Find cos . B) V8 - 2/15 D Vs• 2/15 1 Use the Half-angle Formulas to find the exact value of the trigonometric function. 9) cos 22.5°

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A: Note : As per authoring guidelines, When multiple subparts are posted, then only first three…

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A: As per our guidelines we only solve one question and rest of the question will be reposted.

Q: 1. cos(105°) 2. sin(15°)   find the exact values, fully reduced if possible

A: 1. By using the identity we get

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Q: Using trignometrie formula Solve sin e + 2 cose =| for angles between o and 360°

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Q: x= a cos4 theta y= a sin4 theta by the given equation, find the equation of a and b when theta is…

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Q: Use double angle identities to find the indicated value. 17) cos e = sin 0 < 0 13 Find sin(20).

A: given cosθ=513we need to find the value sin2θ using double angle identities.

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Q: 4) Determine the exact value of each trigonometric ratio. a) sin 5t/6 b) sec -Зл/4

A: We will use basic properties of trigonometric functions and find the values as follows

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