how do you find them? examples: tan18 sin205 cos-55
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Originally Posted by ahmedb how do you find them? examples: tan18 sin205 cos-55 I'm assuming these are in degrees. With a little checking, you'll see that is the correct solution. Now use a similar method using to get the value of . Then you can find using .
what i mean is like quadrant 1, 2, 3, and 4.
Here's a little easier method: Unfortunately, and have no exact values.
Last edited by sbhatnagar; December 19th 2011 at 06:26 AM.
Originally Posted by ahmedb what i mean is like quadrant 1, 2, 3, and 4. ... are you asking about reference angles?
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