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1.5.15 Trigonometric equations
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Question 3
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Solve, for
−180≤x≤180-180 \leq x \leq 180
−
180
≤
x
≤
180
, the equation,
cos2x−7sinx+3=0 \cos 2x - 7 \sin x + 3 = 0
cos
2
x
−
7
sin
x
+
3
=
0
[5]
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1.5.15 Trigonometric equations Questions
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1.5.15 Trigonometric equations
