SOLUTION: Solve the equation cos x� = sin 40�, where 0

SOLUTION: Solve the equation cos x� = sin 40�, where 0 < x <

Question 921206: Solve the equation cos x� = sin 40�, where 0 < x <
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
sin 40
sin 40 = cos(pi/2 - 40) = cos (90-40) = cos(50)
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