Asked by AwesomeGuy
Verify the identities algebraically.
1.) TAN^5 X= TAN³X SEC²X-TAN³X
2.) COS³X SIN²X= (SIN²X-SIN^4X)COS X
1.) TAN^5 X= TAN³X SEC²X-TAN³X
2.) COS³X SIN²X= (SIN²X-SIN^4X)COS X
Answers
Answered by
Reiny
LS = cosx (cos^2 x) (sin^2 x)
= cosx (1 - sin^2 x) (sin^2 x)
= cosx(sin^2 x - sin^4 x)
= RS
= cosx (1 - sin^2 x) (sin^2 x)
= cosx(sin^2 x - sin^4 x)
= RS
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