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Problems
Mathematics
Mathematics
Problem
Solve for
0
≤
x
≤
2
π
0 \le x \le 2\pi
0
≤
x
≤
2
π
: a.
2
sin
3
x
=
−
3
2 \sin 3x = -\sqrt{3}
2
sin
3
x
=
−
3
b.
3
tan
x
2
=
−
1
\sqrt{3} \tan \frac{x}{2} = -1
3
tan
2
x
=
−
1
c.
cos
2
x
=
3
sin
2
x
\cos 2x = \sqrt{3} \sin 2x
cos
2
x
=
3
sin
2
x
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