Calc 112 Pretest

Give the formula for cos(x-y) in terms of cosx, sinx, siny, and cosy : cos(X-Y) = cosXcosY + sinXsinY

Give the formula for cos(2x) in terms of cosx and sinx : cos2X = cos^2X - sin^2X

You are viewing 1/3rd of the document.Purchase the document to get full access instantly

Purchase the document to get full access instantly

Immediately available after payment

Both online and downloadable

No strings attached

How It Works

Add to Cart

Make payment

Download File

Uploaded by : Rebecca Le

PageId: DOC608E93B