Josh F.

asked • 06/17/16

need step by step help as i have final coming up and I have forgot lots and I cant find my notes.

1) Find exact value using sum or difference identities or double angle identities
a) tan 105
b)cos 75
2) solve for x
a)2sin2x-3sinx-2=0 ,    0≤x<2Ω
b)cos2x = cotx sinx ,    0≤x<360°

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