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(c) 16SAS1 ।(d)<A<1317।AS7. यदि cot0 = १ है, तब psin 0+qcose* का मान होगाpsin 0 - qcos e(b)।“+q2pp- +q24चिंगSHAKTI COACHING |
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Answer» please give me best and I will give you best cotθ = q/pcosθ/sinθ = q/ppsinθ + qcosθ = sinθ{(p + q(cosθ/sinθ)} = sinθ{p + q(q/p)} = sinθ(p² + q²)/ppsinθ - qcosθ = sinθ{(p - q(cosθ/sinθ)} = sinθ{p - q(q/p)} = sinθ(p² - q²)/p(psinθ + qcosθ)/(psinθ - qcosθ) = {sinθ(p² + q²)/p}/{sinθ(p² - q²)/p} = (p² + q²)/(p² - q²) |
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