idaniaG idaniaG

09-10-2014
Mathematics

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are the sine and cosine values in quadrant I both negative ?

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Аноним Аноним

09-10-2014

No . . . they're both positive

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marzouksammer marzouksammer

09-10-2014

Sine is positive in quadrant 1.
Cosine is positive in quadrant 1 too.

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