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Some Applications Of Trigonometry

Question

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Prove $fraction numerator cos cubed straight theta plus sin cubed straight theta over denominator cosθ plus sinθ end fraction plus fraction numerator cos cubed straight theta minus sin cubed straight theta over denominator cosθ minus sinθ end fraction equals 2.$

Solution

Solution not provided.

Some More Questions From Some Applications of Trigonometry Chapter

Choose the correct option and justify your choice:
sin 2A = 2 sin A is true when A =
(A) 0° (B) 30° (C) 45° (D) 60°

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