What is cot, cos^2 and where can I find it on the Ti-84Plus?

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2007-05-13 19:21:25 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

cot(x) is the riciprocal of tan(x). so cot(x) = 1/tan(x)
cos^2(x) is the same as (cos(x))^2. So find the cosine first then square it.

2007-05-13 19:26:59 · answer #1 · answered by Demiurge42 7 · 0⤊ 0⤋

what is the definition of cot?
Have you not learned how to use the 1/x key, or the x^2 key?

2007-05-14 02:26:09 · answer #2 · answered by arbiter007 6 · 0⤊ 0⤋