Using the identity:
There are two solutions to this equation:
1)
Since the period of cosine is 2π, so 0 + 2π = 2π will also be a solution to the given equation
2)
Therefore, there are 3 solutions to the given trigonometric equation.
−3(x + 3) = −3(x + 1) − 5
2 answers:
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Using the identity:
There are two solutions to this equation:
1)
Since the period of cosine is 2π, so 0 + 2π = 2π will also be a solution to the given equation
2)
Therefore, there are 3 solutions to the given trigonometric equation.