3 years ago

Calculate a negative co-terminal angle for θ=π3

Mathematics

1 answer:

UkoKoshka [18]3 years ago

7 0

Answer:

The coterminus angle is $- \frac{5\pi}{3}$ .

Step-by-step explanation:

The given angle is

$\theta = \frac{\pi}{3}$

The coterminus angle is

$\frac{\pi}{3}- 2\pi = - \frac{5\pi}{3}$

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Step-by-step explanation:

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In triangle ABC, c = 8, b = 6, and ∠C = 60°. sin∠B = _____

guajiro [1.7K]

Answer:
sin B = 0.65

Explanation:
To solve this question, we will need to use the sine law that is shown in the attached image.

Here, we have:
c = 8
b = 6
angle C = 60°

Therefore:
 $\frac{b}{sin(B)}$ = $\frac{c}{sin(C)}$

$\frac{6}{sin(B)}$ = $\frac{8}{sin(60)}$

sin B = 0.649 which is approximately 0.65

Hope this helps :)