cot α = (2/5), 0 < α < π/2
cos ß = (-7/25), π < ß < 3π/2
cot α = (2/5), 0 < α < π/2 tan α = 5/2 α = tan^-1 ( 5/2) = tan^-1 (2.5) = 68.20 degreesand,cos ß = (-7/25), π < ß < 3π/2ß = cos^-1 ( -0.28) = 253.74 degreesso,
Could you express the values in fractions for exact values please?
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