Asked by Lucina

An angle in standard position such that sinÈ = 5/13. Determine the possible values of È, to the nearest degree.

Answer: I got 23°. (How do I get the second one?)
Answered by bobpursley
SinTheta=sin(180-Theta)
Answered by MathMate
The sine curve is symmetrical about 90 degrees.
So sin(x) has the same value as sin(180-x).

Review of the unit circle will certainly help as well.
Answered by Lucina
Thank you
Answered by MathMate
You're welcome! :)
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