Solving a Basic Trigonometric Equation, Example 1

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still scratching my head. trying to understand more math to help my sister in hs. the sacrifices brothers make to see her succeed. not giving up.

jbowman
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Great resolution video! It still helps even after eleven years.

kurtph
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Help?! i don't really understand the pi stuff...

reynolddlm
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Can't we solve the question by drawing a right triangle?

isaacnewton
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@brco2003

Nah brah. It's not; think of Sin as Y, and Cos as X, in the unit circle.

mgboy
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@brco2003 I'm going to have to say no. Review the unit circle.

kieve
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WAIT! At 0:50, the solution should be X=0.5!

brco