4.4 Trig of Any Angle |
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Understanding Questions
Explain why the signs of each trig fxn are + or - in each quadrant.
I know sin30 & cos30, but forgot tan30. What can I do? Why?
Explain why the signs of each trig fxn are + or - in each quadrant.
I know sin30 & cos30, but forgot tan30. What can I do? Why?
Going Beyond
Underground Math: Trig Tables
Underground Math: Trig Tables