Determine the primary trigonometric ratios for the principal angle, θ, that has a terminal arm going through the point (A, - B).

Question

Determine the primary trigonometric ratios for the principal angle, θ, that has a terminal arm going through the point (A, - B). Then, determine θ.
(A) Draw a diagram.
(B) Determine the primary trigonometric ratios - show all process work.
(C) Determine e-show all process work.

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