craig parry
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- Joined
- Nov 25, 2010
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i) sinx+cosx=(2)^1/2sin(x+pi/4)
ii) sinx+cosx=(2)^1/2cos(x-pi/4)
iii) cosx-(3)^1/2sinx=2cos(x+pi/3)
ii) sinx+cosx=(2)^1/2cos(x-pi/4)
iii) cosx-(3)^1/2sinx=2cos(x+pi/3)