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cot 16 cot 44 +cot 44 cot 76 -cot 76 cot 16=3.

cot 16 cot 44 +cot 44 cot 76 -cot 76 cot 16=3.

Grade:11

1 Answers

rama rao
18 Points
12 years ago

 we can write it as

(1/tan16.tan44)+(1/tan44.tan76)-(1/tan76.tan16).

then take l.c.m;

(tan76+tan16-tan44)/(tan16.tan44.tan76),and proced......

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