. Suppose csc(A)· where A terminates in QIV, and sec(B) = -3 where B terminates in QII %3D a) First determine: sin A, cosA, tanA, sin B, cos B, and tan B

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A:

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Q: (c) cos 27 (d) tan

A: Cos(π/4)= 1/√2= 0.707106781

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Q: Find the standard answer for | tan(x) + e² dz = +C

A: ∫tan(x)+exdx

Q: When a and b are real, we define elatiblx with the equation ela+ ibix = eax , eibx e"(cos bx + i sin…

A: we know that am+n=am.an similarly, ea+ibx=eax+ibx=eax.eibx now, we know that eiθ=cosθ+isinθ

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Q: What is the exact value of Cos COS?

A: We have given to find exact value  cosπ3 =12

Fundamentals of Trigonometric Identities

Trigonometric Identities are the equalities that involve trigonometry functions and hold for all the values of variables given in the equation.