Understanding Sine, Cosine, and Tangent

Practice Questions

High School Math › Understanding Sine, Cosine, and Tangent

Questions

5

1

What is the cosine of $30^\circ$ ?

2

Triangle

In the right triangle above, which of the following expressions gives the length of y?

3

If the polar coordinates of a point are $\left (2,\frac{-\pi}{4} \right )$ , then what are its rectangular coordinates?

4

If , what is if is between and $2\pi$ ?

5

Triangle

What is the $\sin C$ ?

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