Question

5. Express each of the following in terms of trigonometric ratios of angle
between 0° and 45°
(i) sin 72° + cosec 72°
(iii) tan 68° + sec 68°
(v) cos 51° +cot 49° - sec 47°
(ii) cosec 66° + tan 66
(iv) cot 59° + cosec 59°
(vi) sin 67° + cos 75°​

Answer 1

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