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#1 2007-07-13 20:17:58
- bubbagee
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- Registered: 2007-07-13
- Posts: 1
trig problem
i've been stumped on these 2 for a couple days, please help me!
2 cos^2 X - sin X -1 = 0
and
2 cos 2x= 1-cos x
find all solutions on the interval 0 ?x ?2pi rad or 0 ?x ?360 deg.
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#2 2007-07-13 21:15:52
- JaneFairfax
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- Registered: 2007-02-23
- Posts: 6,868
Re: trig problem
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