67 videos
Constructing half-angle identities from do...
Development of cofunction, double angle,...
Development of the Sum and Differenc...
Review and use of the double-angle, po...
We develop the Pythagorean Theorem and...
Creating the formula for cos(a-b) using un...
Creating the formula for cos(a+b) using ri...
The hard way and the easy way to do a ...
Trig Identities and a review of the ...
Trig Identities and a review of the ba...
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