Answer:
Explanation:
Swicth variables.
Solve for y.
Add 3 to both sides.
Multiply both sides by 2.
Take the cos of both sides.
Divide both sides by .
Firstly, we've to interchange the variables.
Solving for y
Adding 3 to both sides
Multiplying 2 to both sides
Taking cosine on both sides
Dividing both sides by y
Replace y by
=>
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