sin ^2 A (tan A + cot A)= 2
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hi friend,
sin²A(tan A +cot A)
=sin²A (tan A+ 1/tan A)
=sin²A(tan²A+1)/tan A
=sin²A .cosA/sin A(tan²A+1)
=sin A .cos A(sin²A/cos²A +1)
=sin A. cos A (sin²A+cos²A)/cos²A
=sin A. cos A(1)/cos²A
=sin A/cos A
=tan A
given tan A=2
A=Tan⁻¹(2)
hope it helps you
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