Arrange the following three numbers in ascending order without using tables or a…

MATHEMATICS · Subjective · CBSE · Mathematics · Introduction to Trigonometry · Introduction to Trigonometry

Problem

Arrange the following three numbers in ascending order without using tables or a calculator: sin⁡20∘,cos⁡50∘,tan⁡10∘.\sin20^{\circ},\quad \cos50^{\circ},\quad \tan10^{\circ}. Give full justification for each comparison you make.

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