About Reciprocal:
It's when a fraction is flipped.
Example:
- 2/3..... The reciprocal for 2/3 is 3/2.
- 3/5.... The reciprocal for 3/5 is 5/3.
Express tan in terms of sin and cos
= sin ax cos bx / sin bx
Now I'm stuck! sorry
For what its worth Ive drawn the graph and the answer is a/b
The answer is 7 multiple by 10 =70