Mathematics, 29.04.2021 21:50, school7067

If b is the measure of an acute angle and cos b = 0.75, then: (1) sin(b - 90°) = 0.75

(2) sin(90° - b) = 0.75

(3) sin b = 0.75

(4) sin b = 0.25

Answers: 2

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If b is the measure of an acute angle and cos b = 0.75, then: (1) sin(b - 90°) = 0.75

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