Divide both sides by 4 to get
Recalling the definition of tangent as ratio between sine and cosine, we have
The sine and cosine of an angle are opposite only if the angle is
So, we have
So, the solutions are
Answer:
Step-by-step explanation:
4/5
Answer: the correct is x=1,
Graph each side of the equation. The solution is the x-value of the point of intersection.
x=1
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