corinnaalting
corinnaalting
Today at 6:05 AM
Mathematics
Answered
How do I verify the identity?
Answer :
dellaM
dellaM
Today at 6:09 AM
Left hand side :
cos2x - tan2x / sin2x
can be written as..
cos2x/sin2x - tan2x/sin2x
1/tan2 - 1/cos2x (according to formula, tan2x = sin2x/cos2x )
cot2x - sec2x = right hand side (proved)
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