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Some Applications Of Trigonometry

Question

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Evaluate:
$cosec space 31 degree space minus space sec space 59 degree.$

Solution

cosec 31° - sec 59°
= cosec (90°-59°)-sec 59°
= sec 59° - sec 59° = 0.

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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