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Question
Find the value of `sin^-1 (sin((5pi)/4))`
Sum
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Solution
y = `sin^-1 (sin((5pi)/4))`
= `sin^-1 (sin(pi + pi/4))`
= `sin^-1(- sin pi/4)`
= `sin^-1 (sin ((-pi)/4))`
= `(- pi)/4`
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Sine Function and Inverse Sine Function
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