Denise G. answered 04/17/20
Algebra, College Algebra, Prealgebra, Precalculus, GED, ASVAB Tutor
Find the length of the terminal side using the Pythagorean Theorem.
√-20)2+(21)2 = √841 (I don't believe this simplifies)
opposite = 21
adjacent = -21
hypotenuse = √841
Therefore
sin θ = 21/√841
cos θ = -20/√841
tan θ = -21/20
csc θ = √841/21
sec θ = -√841/20
cot θ = -20/21