08-05-2021
Mathematics

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verify 2 csc (2x)=1+ tan^2 x / tan x

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08-05-2021

Step-by-step explanation:

L.H.s.

2csc2x
2/sin2x
2/(2sinxcosx)
1/sinxcosx
[sin²x+cos²x]/sinxcosx
sin x/cosx +cosx/sinx
tanx+cotx

R.H.S.

1+ tan²x/tanx
1+tanx
1+sin x/cosx
(cosx+sinx)/cosx

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