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value of cot theta /cot theta-cot 3 theta +tan theta /tan theta-tan 3 theta?

value of cot theta /cot theta-cot 3 theta +tan theta /tan theta-tan 3 theta?

Grade:10

1 Answers

Arun
25750 Points
6 years ago
Dear student
I have replaced theta by x.
cot x/[(1/tanx)- (1/tan 3x)]  +  tan x/tanx - tan3x
= cotx * tanx * tan3x/(tan 3x - tanx)  - tanx /tan3x - tanx
= (tan 3x - tanx)/ (tan 3x- tanx)
= 1
Regards
Arun (askIITians forum expert)

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