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what is the value of sin(292.5)​

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Value of sin(292.5) is -0.923879533.

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Calculus+3

What is the value of sin292 1\2?

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2 ANSWERS

Varshini M

Varshini M, BE from St. Joseph's College of Engineering (2019)

Answered Jul 25, 2018

sin 292 1/2 = sin 292.5

Using the half angle formula

sin^2 theta = [1-cos(2theta)]/2

Sin 292.5 = sqrt([1 - cos 585]/2. {In radians}

Sin 292.5 = sqrt (1-(0.787))/2

Sin 292.5 = sqrt(0.213/2)

Sin 292.5 = sqrt(0.1065)

Sin 292.5 = 0.326

Since theta = 292.5 lies in 4th quad

Sin 292.5 = - 0.326 (approx).