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Question
Evaluate:
2 sin 30° tan 60° – 3 cos2 60° sec2 30°
Evaluate
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Solution
2 sin 30° tan 60° – 3 cos2 60° sec2 30°
= `2(1/2)(sqrt(3)) - 3(1/2)^2(2/sqrt(3))^2`
= `2(1/2)(sqrt(3)) - 3 xx (1/4) xx (4/3)`
= `sqrt(3) - 1`
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