Can someone help me Please
2 answers:
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Answer:
Second box for Justifications: Subtraction Property of equality
Third box for steps:
Fourth box for steps:
Fourth box for Justifications: Multiplication Property of equality
Fifth box for steps:
ANSWER
EXPLANATION
The given trigonometric equation is
We factor cos(x) to get:
Apply the zero product property to obtain:
Using the unit circle,
when
and
We know
when
The sine function is negative in the third and fourth quadrants.
Hence the solutions are: