Arcsine
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Definition of Arcsine
Arcsine is the inverse function of sine. It is also written as arcsin or sin^{1}. If y = sin x, then x = arcsin y.
Examples of Arcsine
or
This means that the angle 30^{0} has sine equal to .
Video Examples: Arcsine
Solved Example on Arcsine
Ques: arcsin(0.1218) = ?
Choices:
A. 12^{0}B. 83^{0}
C. 78^{0}
D. 7^{0}
Correct Answer: D
Solution:

Step 1: arcsin(0.1218) = 7^{0}, rounded to the nearest degree. [Use calculator in degree mode.]
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