Express each of the following in terms of T-ratios of angles lying bet

1.	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∘
Answer» Express each of the following in terms of T-ratios of angles lying between $0^{\circ} a n d 45^{\circ} :$ (i) $s i n 67^{\circ} + c o s 75^{\circ}$ (ii) $c o t 65^{\circ} + t a n 49^{\circ}$ (iii) $s e c 78^{\circ} + c o s e c 56^{\circ}$ (iv) $c o s e c 54^{\circ} + s i n 72^{\circ}$

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∘

Answer»

Express each of the following in terms of T-ratios of angles lying between $0^{\circ} a n d 45^{\circ} :$

(i) $s i n 67^{\circ} + c o s 75^{\circ}$ (ii) $c o t 65^{\circ} + t a n 49^{\circ}$

(iii) $s e c 78^{\circ} + c o s e c 56^{\circ}$ (iv) $c o s e c 54^{\circ} + s i n 72^{\circ}$

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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∘

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