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Some Applications Of Trigonometry

Question

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Evaluate: $fraction numerator 2 space sin squared 63 degree plus 1 plus 2 sin squared 27 degree over denominator 3 cos squared 17 degree minus 2 plus 3 cos squared 73 degree end fraction.$

Solution

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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