Angles α and b are the two acute angles in a right triangle. Use the relationship between sine and cosine to find the value of b if b < α. sin( x 2 + 2x) = cos(2x + 3x 2 )

Angles α and b are the two acute angles in a right triangle. Use the relationship between sine and cosine to find the value of b if b < α. sin( x 2 + 2x) = cos(2x + 3x 2 )

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