Question

Solve cose - sin e-
4
0 (0° S 0 < 360°)​

Answer 1

Answer:

From the unit circle, we know that

cos

θ

=

1

2

θ

=

π

3

,

5

π

3

These are the solutions in the interval \displaystyle \left[0,2\pi \right][0,2π]. All possible solutions are given by

\displaystyle \theta =\frac{\pi }{3}\pm 2k\pi \text{ and }\theta =\frac{5\pi }{3}\pm 2k\piθ=

3

π

±2kπ and θ=

3

5π

±2kπ

where \displaystyle kk is an integer.

Step-by-step explanation:

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