Given the general identity X=tanx/cosx which equation relating the acute angles, A and C. of a right ∆ABC is true? A).tan a=sin

Question

Given the general identity X=tanx/cosx which equation relating the acute angles, A and C. of a right ∆ABC is true?
A).tan a=sin A/sin C
B)cos A = tan (90°- A)/sin (90°- C)
C)sin C = Cos A/tan C
D)cos A = tan C
E)sin C= cos (90°-C)/tan A

Kunduz · Accepted Answer

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