Problems involving right triangle trigonometry

Practice Questions

HiSet: High School Equivalency Test: Math › Problems involving right triangle trigonometry

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1

$\cos N = \frac{x}{3}$

Evaluate $\sin N$ in terms of .

2

$\sin a^{\circ } = \frac{2}{5}$

$\cos (90-a)^{\circ } = ?$

3

$\sin a^{\circ } = \frac{4}{7}$

$\tan a^{\circ } = ?$

4

$\cos N = \frac{x}{3}$

Evaluate $\sin N$ in terms of .

5

$\sin a^{\circ } = \frac{2}{5}$

$\cos (90-a)^{\circ } = ?$

6

$\sin a^{\circ } = \frac{4}{7}$

$\tan a^{\circ } = ?$

7

Right

Refer to the triangle in the above diagram. Which of the following expressions correctly gives its area?

8

Right

Refer to the triangle in the above diagram. Which of the following expressions correctly gives its area?

9

Right

Refer to the triangle in the above diagram. Which of the following expressions correctly gives its area?

10

Right

Refer to the triangle in the above diagram. Which of the following expressions correctly gives its area?

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