`45^@` Determine two coterminal angles (one positive on enegative) for each angle. Give your answers in degrees.

Textbook Question

Chapter 4, 4.1 - Problem 29a - Precalculus (3rd Edition, Ron Larson).
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kspcr111 | In Training Educator

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The positive or negative coterminal angles can be obtained by adding or subtracting the multiples of `360^@`

So,

Positive coterminal angle of `45^@=45+360=405^@`

Negative coterminal angle of `45^@=45-360=-315^@`

Sources:

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