31.6k views
0 votes
Prove cosxtanx = sinx

1 Answer

4 votes
cos(x)tan(x)

Transform the expression by using the formula for tan theta:
tan(t)= sin(t)/cos(t)

cos(x)= sin(x)/cos(x)

Cancel out the cos(x) since it’s on both sides

Final answer : sin(x)

cos(x)tan(x) is equal to sin(x)
User Shyam Joshi
by
3.5k points