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7. Trigonometry
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Q5 of 61 Page 217

=

Given,

⇒ [taking (1+cosθ) as L.C.M.)


⇒ (∵ sin2θ = 1 – cos2θ)


⇒


⇒


⇒


⇒


Hence,

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(1 – cos2θ)(1 + cot2θ) =

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If , then the value of =

Questions · 61
7. Trigonometry
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