Q3- Evaluate cosec a (pie/6).cos(pie/3).tan^3(pie/4).sec^2(pie/4).cot(pie/6)
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sice pi = 180 degree, cosec30.cos60.tan^3 45.sec^2 45.cot30
= 2× 1/2 × 1×1/2×3^1/2 = 3^1/2 ÷2
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