Drifter091viz
Answered

Prove the identity .
tanxsinx+ cosx= secx

Sagot :

Cheahjimmyviz
tanxsinx + cosx
= ( sinxsinx)cosx + cosx      / tanx =sinx/cosx
 = sin²/cosx + cosx
= (sin²x+cos²x)cosx          / sin²x+cos²x =1
=  1/cosx  = secx