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Mathematics 20 Online
OpenStudy (solomonzelman):

HELP HELP! PLEASE ! When it comes to solving limits (Precalc / Calc ) involving trigonometric functions....

OpenStudy (solomonzelman):

Where can I get the identities / rules / formulas / theorems for them ?

OpenStudy (isaiah.feynman):

Trig identities, read your algebra test book!

OpenStudy (anonymous):

google them

OpenStudy (anonymous):

wikipedia has everything

OpenStudy (solomonzelman):

That's why I am asking, because I am not a good googler :(

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