How to find negative sine

Practice Questions

ACT Math › How to find negative sine

Questions

4

1

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

2

What is the sine of the angle formed between the origin and the point if that angle is formed with one side of the angle beginning on the -axis and then rotating counter-clockwise to ?

3

What is the sine of the angle formed between the origin and the point if that angle is formed with one side of the angle beginning on the -axis and then rotating counter-clockwise to ?

4

If $sin(2x)=\frac{-\sqrt{2}}{2}$ , what is the value of if $\frac{\pi}{2} \le 2x \le \frac{3\pi}{2}$ ?

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