Value of (Cos A+ Cos B / Sin A- Sin B ) ^n +(Sin A + Sin B / CosA- Cos B ) ^n where n is odd
Samaira Shah , 7 Years ago
Grade 11
Trigonometry> Value of (Cos A+ Cos B / Sin A- Sin B ) ^...
1 Answers
Arun
Last Activity: 7 Years ago
Dear Student
When you apply the formula of
Cos C + cosD , cos C - cosD, sin c + sinD, sin C - sinD formula in every part
You get
Cot n(A-B)/2 + (-1)n cot n(A-B)/2
When n is odd then its value will be 0.
Regards
Arun (askIITians forum expert)
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