CBSE BOARD X, asked by lubnavakil, 1 year ago

Evaluate without using tables: secθcosec(90-θ)-tanθcot(90 -θ)+(sinsquare 350 -sinsquare55) tan10 tan20 tan45 tan70 tan80

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Answered by triptig

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triptig: thanx

Answered by Devlin

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