Use the laws of cosines and sines

Practice Questions

Pre-Calculus › Use the laws of cosines and sines

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1

Which of the following are the missing sides of the triangle?

$\text{I. }4.55$

$\text{II. }5.49$

$\text{III. }1.72$

$\text{IV. }14.56$

2

Solve the triangle

Law_of_cosines__sss_

3

Find the length of the missing side, .

4

Lc1c

What is the measurement of side using the Law of Cosines? Round to the nearest tenth.

5

Pcq2

Solve for c using Law of Sines, given:

Round to the nearest tenth.

6

Find the length of the missing side, .

7

Triangle_700

Given and $B=36^\circ$ , what is the measurement of to the nearest degree?

8

Given three sides of the triangle below, determine the angles $\theta$ , $\phi$ , and $\beta$ in degrees.

Sss

9

Use the Law of Sines to solve for the specified variable.

Pcq2

Solve for . Round to the nearest tenth.

10

Find the length of the missing side,

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