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Find the principal solutions of sin x − 1 = 0

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Question

Find the principal solutions of sin x − 1 = 0

Sum
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Solution

sin x = 1

sin x = `sin (pi/2)`

such that `0 ≤ pi/2 < 2pi`

The required principal solution is `pi/2`.

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Chapter 1.3: Trigonometric Functions - Very Short Answers

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