at 8am the temperature was 3 degrees below zero. by 9 am the temperature had gone up 6 degrees, but by 10 am it had gone down ag
1 answer:
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Option C: 90° is the value of x.
Explanation:
The given expression is for
We need to solve the expression.
Thus, we have,
Subtracting both sides by 4, we have,
Adding both sides by 8 sin x, we get,
Dividing both sides by 10, we have,
Taking on both sides of the equation, we get,
Thus, the value of x is 90°
Hence, Option C is the correct answer.