MATH 10560: CALCULUS II TRIGONOMETRIC FORMULAS Basic Identities The functions cos(θ) and sin(θ) are dened to be the x and y coordinates of the point at an angle ...
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...Math calculus ii trigonometric formulas basic identities the functions cos and sin are dened to be x y coordinates of point at an angle on unit circle therefore other in terms sine cosine tan cot sec csc dividing by or gives addition following two fundamental a b they can used prove simple like if we set get double formula for is often rewritten replacing with solving yields important integration also combined give sinasinb cosacosb sinacosb derivatives integrals r dx c ln...