Question

Let (5,-4) be a point on the terminal side of (theta). Find the exact values of cos, csc, and tan.

Answer 1

Hey gane

Answer 2

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Answer 3

(x,y) ---> (5,-4)
r=sqrt(5^2-(-4)^2)= sqrt(9)=3

cos(x)=x/r
cox(x)=5/3
x= 1.098612288668109691395245236922525704647490557822749

csc(x)= 1/sin(x)
sin(x)=y/r
sin(x)=-4/3
csc(x)=1/(-4/3)

tan(x) = y/x
tan(x) = -4/5
x=-0.67474094222355266305652097360981361507400625484071