Mathematics

Mathematics, 22.06.2019 09:30, shae5231

Angles α and β are the two acute angles in a right triangle. use the relationship between sine and cosine to find the value of β if β > α. sin( x 2 + 20x) = cos(2x + 15x 2 ) a) 25° b) 28.5° c) 61.5° d) 65°

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