Cal quiz trig review

sin2x =

2sinxcosx
cos2x =
- cos²x-sin²x
- 2cos²x-1
- 1-2sin²x
Pythagorean Identities:
- sin²x + cos²x = 1
- tan²x + 1 = sec²x
- 1 + cot²x = csc²x

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Anonymous

ID

49669

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Cal quiz trig review

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Cal quiz trig review

Updated

2010-11-15T07:23:58Z

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