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If y(x)=cot−1(√1+sinx+√1−sinx√1+sinx−√1−sinx), x∈(π2,π), then dydx at x=5π6 is |
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Answer» If y(x)=cot−1(√1+sinx+√1−sinx√1+sinx−√1−sinx), x∈(π2,π), then dydx at x=5π6 is |
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