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हरि न०८ the identity' (sin O + cos 6) (tan © + cot 6) = sec O + ००४५५ 0(ICSE 2014)W ० तक |
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Answer» LHS-(sinA + cosA)(sinA/cosA + cosA/sinA) (sinA + cosA)(sin^ + cos^2A/sinAcosA) sinA + cosA/sinAcosA RHS- 1/cosA + 1/sinA=sinA+cosA/sinAcosA=secA+cosecA |
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