Formulas Ch 8-Trig
Terms
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- sin(A+B)
- sinAcosB+cosAsinB
- sin(A-B)
- sinAcosB-cosAsinB
- cos(A+B)
- cosAcosB-sinAsinB
- cos(A-B)
- cosAcosB+sinAsinB
- cos(pi/2-<)
- sin(<)
- sin(pi/2-<)
- con(<)
- tan(A+B)
-
tanA+tanB
---------
1-tanAtanB - tan(A-B)
-
tanA-tanB
----------
1+tanAtanB - sin2A
- 2sinAcosA
- cos2A
- cos^2A-sin^2A
- sinA/2
- +-sq rt(1-cosA)/2
- cosA/2
- +-sq rt(1+cosA)/2
- tanA/2
-
sinA
-----
1+cosA - cos^2(A)
-
1+cos2A
-------
2 - sin^2(A)
-
1-cos2A
-------
2