Trigonometry and Trigonometric Identities
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Free Maths Q & A Practice
1 of 5 free exam-style exercises in this topic
Find the sum of all solutions of \(\cos 2x + 3\sin x = 2\) in the interval \(0^{\circ}\le x < 360^{\circ}\).
Select one option.
A
\(180^{\circ}\)
B
\(210^{\circ}\)
C
\(90^{\circ}\)
D
\(270^{\circ}\)
E
\(360^{\circ}\)
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