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37 votes
What is the value of x in the equation x= 2arcsin1/2

User Steve E
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1 Answer

19 votes
19 votes

Explanation:

it depends if you use degrees or radians as angle measure.

let's assume degrees.

arcsine is the inverse function of sine.

so, when sin(x) = 1/2, arcsin(1/2) = x

when now x = 2×arcsin(1/2), we get

x = 2×30 = 60°

User Noran
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