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Duplicate of Sum and Difference of Trig Functions
cos(u-v)
sin (x + π)
Duplicate of Sum and Difference of Trig Functions
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Sum and Difference of Trig Functions #trigonometry
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Answers
1
sin (x + π)
-sin x
0
- cos x
sin x
2
cos(u-v)
cos(u)cos(v)+sin(u)sin(v)
cos(u)sin(v)-sin(u)cos(v)
cos(u)sin(v)+sin(u)cos(v)
cos(u)cos(v)-sin(u)sin(v)
3
cos(π/3)cos(π/4) + sin(π/3)sin(π/4)
cos (7π/12)
cos(2π/7)
cos (π/12)
sin(π/12)
4
sin(u - v)
sin(u)cos(v) - cos(u)sin(v)
sin(u)cos(v) + cos(u)sin(v)
sin(u)sin(v) + cos(u)cos(v)
sin(u)sin(v) - cos(u)cos(v)
5
cos(x +π/2)
-sin x
sin x
cos x
-cos x
6
sin (135)
(√2)/2
(√2+2)/2
-(√2)/2
(√2)/2+1
7
cos(π/2 - x)
sin (π/2)
sin x
cos x
cos (π/2)
8
sin (π/2 - x)
sin x
cos (π/2)
cos x
sin (π/2)
