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maths

∫tanθdθ

Note by Sandeep Tiwari
3 years, 2 months ago

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Write tanA as sinA/cosA. Let t=cosA. Your dt term is already in the numerator with a negative sign. You get -(ln cosA)=ln secA Apoorva Dixit · 2 years, 2 months ago

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ln(sec(theta)) Avinash Iyer · 3 years, 2 months ago

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@Avinash Iyer it is but how? Sandeep Tiwari · 3 years, 2 months ago

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