Trigonometric equations involve trigonometric functions that are periodic and therefore their solutions can occur in one or two quadrants and all revolutions.

To solve a trigonometric equation make the changes needed to work with only one trigonometric function, then if needed, use fundamental trigonometric identities.

Solve the trigonometric equation:

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Sum to Product:

Divide by 2 and equate each factor to 0.

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Emma

I am passionate about travelling and currently live and work in Paris. I like to spend my time reading, gardening, running, learning languages and exploring new places.

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