cot12 =x sec78 =? plz do first
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Answer: Cot @ = tan(90-@). cot12 = tan(90-12) = tan78 = X. Now, their is some misprint in question , if not see solution of ...
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answer. cotθtan(90∘-θ)-sec( 90∘-θ)cosecθ+√3tan12∘tan60∘tan78∘=2.
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