Asked by Sumathi

Sin theta,cos theta,tan theta are in g.p. prove that cot^6 theta-cot^2 theta =1

Answers

Answered by Steve
since the ratio is constant,

cosθ/sinθ = tanθ/cosθ
cotθ = tanθ/cosθ
cot^2θ = secθ
cot^4θ = sec^2θ
cot^4θ = 1+tan^2θ
cot^6θ = cot^2θ+1
cot^6θ-cot^2θ = 1
Answered by Nayandhara
I cannot able to understand the clear answer
Answered by Nayandhara
Sorry I understand it so thanks
Answered by Anonymous
I can understand clearly thanks u so much
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