Please support this content provider by Donating Now
Using the Sum and Difference Identities for Sine, Cosine and Tangent, Ex 2. Just a few examples using the sum and difference identities for sine, cosine and tangent. For more free videos, visit PatrickJMT.com
Patrick providers a full course with more than 150 video lectures covering everything from angles and trigonometry, to polar coordinates and complex numbers.