Question

If cosA (1/1-sinA - 1/1+sinA) =ktanA. Find k

Answer 1

Answer:

k=2

Step-by-step explanation:

cos A(1/1-sin A)-1/1+sin A)= k tan A

cos A{1+sin A -(1-sin A)/1-sin^2A}= k tan A

cos A. 2 sin A/cos^2A= k tan A. [1-sin^2A=cos^2A]

2 sin A/cos A= k tan A

2 tan A = k tan A

k= 2

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