All SAT II Math II Resources
Example Question #4 : Understanding Sine, Cosine, And Tangent
If , what is if is between and ?
Recall that .
Therefore, we are looking for or .
Now, this has a reference angle of , but it is in the third quadrant. This means that the value will be negative. The value of is . However, given the quadrant of our angle, it will be .
Example Question #1 : Sine, Cosine, Tangent
Find the value of in exact form.
This means that:
Divide the two terms.
This means that .
The answer is: