Taking A = 60° and B = 30°, verify that

Taking A = 60° and B = 30°, verify that

(i) sin (A + B)/cos A cos B = tan A + tan B

(ii) sin (A – B)/sin A sin B = cot B – cot A

Answer :

(i) Here, A = 60° and B = 30°

Trigonometric Ratios of Standard Angles Class 9 ICSE ML Aggarwal img 34

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