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#1 2009-03-12 03:20:35
- serena
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- Registered: 2009-03-12
- Posts: 13
Graphs of trignometric functions
1) Given that ө is an acute angle measured in degrees, express in terms of sin ө:
a) sin(-ө)
b) sin(-360+ө)
plz help me 
!!
Last edited by serena (2009-03-12 03:21:12)
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#2 2009-03-12 03:39:19
- Jai Ganesh
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- Registered: 2005-06-28
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Re: Graphs of trignometric functions
a) sin(-θ) = -sin(θ)
b) sin(-360+θ) = sin(θ)
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
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#3 2009-03-12 03:44:49
- serena
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- Registered: 2009-03-12
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Re: Graphs of trignometric functions
thnx
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