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Some Applications Of Trigonometry

Question

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Without using trigonometric tables, evaluate the following:
$11 over 7. fraction numerator sin space 70 degree over denominator cos space 20 degree end fraction minus 4 over 7. space fraction numerator cos space 53 degree. space cosec space 37 degree over denominator tan space 15 degree. space tan space 35 degree. space tan space 55 degree. space tan space 75 degree end fraction$

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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