Question

(6) Evaluate : 2sin² 63 + 1 2sin²27 / 3cos²17 - 2 + 3cos²73
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Answer 1

{2sin^2(90-27)+2sin^2 (27)}/3cos^2(90-73)+cos^2(73)

{2(cos^2 (27)+sin^2(27)}/{3(sin^2(73)+cos^2(73)}

2(1)/3(1)

2/3