Sum to Product Trigonometry Identities Calculator
Trigonometry identities calculator to rewrite and evaluate sums of sines and/or cosines as products.
Sum to Product Trigonometry

Enter U Angle

Enter V Angle

Result:
Formula Used:
sinu + sinv = 2 x sin(u+v/2) x cos(uv/2)
sinu  sinv = 2 x cos(u+v/2) x sin(uv/2)
cosu + cosv = 2 x cos(u+v/2) x cos(uv/2)
cosu  cosv = 2 x sin(u+v/2) x sin(uv/2)
Sum to product trigonometry identities calculation is made easier here.
Product to sum trigonometry identities calculation is made easier here.