Question

find the minimum value of​

Answer 1

Step-by-step explanation:

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Answer 2

y = sin 2x - √3 cos 2x

= 2*((1/2) sin2x - (√3/2)cos2x)

= 2*(cos(π/3) sin2x - sin(π/3) cos2x)

= 2*sin(2x - π/3)

now, minimum value of sin is -1 when angle is 3π/2

so minimum value of y is -2.