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Rajan@2021
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Write the value of (1+tan²θ)(1+sinθ)(1-sinθ)

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Sir please give me a detailed solution of this question as it is already asked in previous year paper of 2008 in which we have to find the value of (1+tan²θ)(1+sinθ)(1-sinθ) using trigonometric formulas

RS Aggarwal, Class 10, chapter 13C, question no 12

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  1. (1+tan²θ)(1+sinθ)(1sinθ)
    =sec²θ(1sin²θ)
    =sec²θ×cos²θ
    =1/cos²θ×cos²θ
    =1

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