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Question
State whether the following equation has a solution or not?
3 sin θ = 5
Solution
∴ sin θ = `5/3`
This is possible because sin θ is any real number.
∴ 3 sin θ = 5 has a solution.
This is not possible because -1 ≤ sin θ ≤ 1 for any θ.
∴ 3 sin θ = 5 does not have any solution.
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