Question

prove that k+1= sec^2 theta x (1 + cot theta - cosec theta)
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Answer 1

Answer:

sec2θ(1+sinθ)(1−sinθ)=k+1

sec2θ(1−sin2θ)=k (a+b)(a−b)=a2−b2

sec2θcos2θ=k

cos2θ1.cos2θ=k

k=1

Step-by-step explanation:

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