1.

(i) sin-16365=sin-1513+cos-135(ii) sin-1513+cos-135=tan-16316(iii) 9π8-94sin-113=94sin-1223

Answer» (i) sin-16365=sin-1513+cos-135

(ii) sin-1513+cos-135=tan-16316

(iii) 9π8-94sin-113=94sin-1223


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