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Express each of the following in terms o...

Express each of the following in terms of trigonometric ratios of angles lying between `0^(@)and45^(@)`.
(i) `sin70^(@)+cos70^(@)`
(ii) `sec76^(@)tan48^(@)`
(iii) `cot68^(@)+"cosec"62^(@)`
(iv) `sin85^(@)+"cosec"82^(@)`

Text Solution

Verified by Experts

The correct Answer is:
(i)`cos20^(@)+sin20^(@)` (ii) `"cosec"14^(@)+cot42^(@)` (iii)`tan22^(@)+sec28^(@)` (iv) `cos5^(@)+sec8^(@)`
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