Question

prove that(sin35°cos55°+cos35°sin55°)+root3(tan10° tan30° tan80°)=2

Answer 1

Thank you for asking this question. Here is your answer:

sin 35× cos 55 = sin^2 35

cos 35× sin55= cos^2 35

cosec^2 10 - tan^2 80 =sec^2 80- tan^2 80

Solving we get value is 1/1=1

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