Chanrealviz
Answered

proving trig.identities ..i don't understand this topic

Sagot :

Palsme9971viz
if your teacher give a question of proving identities
   tanxcosx=sinx
sinxcosx   =sinx
cosx

sinx = sinx-----so,the answer is proven because as what you can see the value of tanx is equal to sinx/cosx then you can be able to follow the lecture.