Formulea for trigonometry
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sin2A=2sinAcosA
cos2A=cos^2A-sin^2A
cos2A=1-2sin^2A
h^2=p^2+b^2
sintheta=p/h
costheta=b/h
tantheta=p/b
sin(A+B)=SINA*COSB+COSA*SINB
sin(A-B)= || || - || ||
sin0degree=0
sin30degree=1/2
sin45degree=1/root2
sin60degree=root3/2
sin90degree=1
cos2A=cos^2A-sin^2A
cos2A=1-2sin^2A
h^2=p^2+b^2
sintheta=p/h
costheta=b/h
tantheta=p/b
sin(A+B)=SINA*COSB+COSA*SINB
sin(A-B)= || || - || ||
sin0degree=0
sin30degree=1/2
sin45degree=1/root2
sin60degree=root3/2
sin90degree=1
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