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Solve for x : (i) cos((x)/(2) + 10^(@)...

Solve for x :
(i) `cos((x)/(2) + 10^(@)) = (sqrt(3))/(2)`
(ii) `sin^(2) 60^(@) + cos^(2)(3x - 9^(@)) = 1`

Text Solution

Verified by Experts

The correct Answer is:
(i) `x = 40^(@)`
(ii) `x = 23^(@)`
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