cot 16 cot 44 +cot 44 cot 76 -cot 76 cot 16=3.
divya vikash , 15 Years ago
Grade 11
Trigonometry> prove that...
1 Answersrama rao
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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