Asked by sol

solve the equation
2sin^2X - 3sinX= -1

Answers

Answered by Reiny
2 sin^2 x - 3sinx + 1 = 0
(2sinx - 1)(sinx -1) = 0
sinx = 1/2 or sinx = 1

x = 30 degrees or 150 degrees or x = 90 degrees

in radians x = π/6, 5π/6, π/2
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