If and tan is less than 0, find the exact value of

How do you find the exact value do you use the Sine of differences or do you use the cofunction identities for any real number t?

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- Mar 16th 2010, 04:38 PMpurplec16The Addition and subtraction Formulas
If and tan is less than 0, find the exact value of

How do you find the exact value do you use the Sine of differences or do you use the cofunction identities for any real number t? - Mar 16th 2010, 05:31 PMharish21