1. Express the trigonometric ratios sin A, sec A and tan A in terms of – InterviewSolution

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1.	1. Express the trigonometric ratios sin A, sec A and tan A in terms of cot A2. Write all the other trigonometric ratios of LA in terms of sec A.3. Evaluate:sin2 63° + sin2 27°cos2 17° cos 73°(i) sin 25° cos 65° + cos 25° sin 65°Choose the correct option. Justify your choice.
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