This following diagram shows that $\displaystyle \sin^2 \theta + \cos^2 \theta = 1$, given $ […]
Day: January 1, 2021
Christina DanielDouble Angle Formulas
In the Angle Addition Identities post it was shown that $ \displaystyle \sin(x+y) = \sin x \cos […]
A Blog about Mathematics and Physics
Back To Top