Express each of the following in terms of trigonometric ratios of angles lying between 0° and 45°. (i) sin67° + cos75° (ii) cot65° + tan49° (iii) sec78° + cosec56° (iv) cosec54° + sin72°
Express each of the following in terms of T-ratios of angles lying between 0∘ and 45∘:
(i) sin 67∘+cos 75∘ (ii) cot 65∘+tan 49∘
(iii) sec 78∘+cosec 56∘ (iv) cosec 54∘+sin 72∘