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 Identities Calculation
Code to add this calci to your website
sinu + sinv = 2 x sin(u+v/2) x cos(u-v/2)
sinu - sinv = 2 x cos(u+v/2) x sin(u-v/2)
cosu + cosv = 2 x cos(u+v/2) x cos(u-v/2)
cosu - cosv = -2 x sin(u+v/2) x sin(u-v/2)
Sum to product trigonometry identities calculation is made easier here.