NDA 2026 Mathematics question

MathematicsTrigonometric Ratio and IdentitiesNDA 2026

If and , then which one of the following is correct?

Answer: (B)

Solution

Write , : , . Then \dfrac{s(1-s)-c(1+c)}{sc}\dfrac{s-c-(s^2+c^2)}{sc}$ =

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Question ID VK-030279