OCR MEI Core 2 7.02 Solve sin(x) = 1/2 in degrees & radians

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Really helpful, thanks. It's always nice to have a summary of a topic.

TigsFerrariPeeks
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I'm having issues with the following problem. Your video helped me realize that there will be 2 values for x. I get x=1.2527 for the first value by doing simple algebra. How do I get the second value algebraically?

Solve for x:
sin (x-1) = 0.25
Restricted domain: 0 <= x <= 2pi

Jesus_Paid