Therefore, on the interval [0, 2π) the solutions are
Therefore, on the interval [0, 2π) the only valid
5-3 Solving Trigonometric Equations
,
, and
.
solutions are
and
.
26.
27.
cos x – 4 = sin x – 4
3 sin x = 3 – 3 cos x
SOLUTION:
SOLUTION:
Therefore, on the interval [0, 2π) the only valid
solutions are
and 0.
2
2
2
28.
x – cot
cot
x csc
x = 9
SOLUTION:
Therefore, on the interval [0, 2π) the only valid
solutions are
and
.
27.
3 sin x = 3 – 3 cos x
is undefined. The solutions of
SOLUTION:
are
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