If $ heta$ is an acute angle and $7 + 4 \sin heta = 9$, then the value of $ heta$ is:

Question

If $	heta$ is an acute angle and $7 + 4 \sin 	heta = 9$, then the value of $	heta$ is:

Accepted Answer

Step 1: $7 + 4\sin	heta = 9 \Rightarrow 4\sin	heta = 2 \Rightarrow \sin	heta = \frac{1}{2} \Rightarrow 	heta = 30°$

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