Trigonometry
posted by AwesomeGuy on .
Verify the identities algebraically.
1.) TAN^5 X= TAN³X SEC²XTAN³X
2.) COS³X SIN²X= (SIN²XSIN^4X)COS X

LS = cosx (cos^2 x) (sin^2 x)
= cosx (1  sin^2 x) (sin^2 x)
= cosx(sin^2 x  sin^4 x)
= RS