please solve this question...
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Answer:
(1-tan² theta/1-tan² theta)×Tan²theta=1×tan² theta
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LHS = 1-tan²θ / cot²θ-1
= 1-tan²θ / (1/tan²θ-1)
= 1-tan²θ /(1-tan²θ /tan²θ)
= tan²θ
= RHS. Proved.
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