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Some Applications Of Trigonometry

Question

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Evaluate:
$fraction numerator cos squared 20 degree plus cos squared 70 degree over denominator sin squared 59 degree plus sin squared 31 degree end fraction plus sin space 35 degree. space sec space 55 degree.$

Solution

Solution not provided.

Some More Questions From Some Applications of Trigonometry Chapter

In ΔABC, right angled at B. AB = 24 cm, BC = 7 cm. Determine:
(i) sin A cos A,
(ii) sin C, cos C.

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