Mathematics, 22.07.2021 07:20 nya6557

If cos(θ) = -4/5, how do I find all the exact values of the other 2 primary trig ratios (sin and tan) and all possible approximate values of θ (to the nearest degree), when 0° ≤ θ ≤ 360°?

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If cos(θ) = -4/5, how do I find all the exact values of the other 2 primary trig ratios (sin and tan...