Today I am going to talk about Trigonometric functions. These are dealing with lots and lots of triangle values. cosine, sine, and tangent, as well as their reciprocal functions are found using identities and a useful acronym SOHCAHTOA. When solving trig functions, one can perform many algebraic tricks and action such as factoring and the quadratic formula. If one was to solve say sinx=1/2, we could find a series of angles in 0 to 2pi. Overall, this is a very interesting way to look at triangles. The pythagorean theorem even factors into how the identities are derived!
Thanks,
Kaili Chiu
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