Hi,



The point A(-3, -5) is on the terminal arm of an angle θ.

terminal arm lies in third quadrant: sin and cos are neg, tan positive

Determine exact expressions for the primary trigonometric ratios for the angle.

r = sqrt((-3)^2 + (-5)^2) = √34

sin θ = y/r  = -5/√34

cos θ = x/r  = -3/√34

tan θ = y = 5/3

Wish You the Best in your Studies.







 

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