Question

2 sin^ 2 30°x cot 30°-3cos^2 60°x sec^2 60°​

Answer 1

Answer:

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Answer 2

Answer:

2sin²30°× cot30°-3cos²30°×sec²60°

=2(1/2)²×(√3)-3(√3/2)²×2²

=2(1/4)×√3-3(3/4)×4

=1/2×√3-9/4×4

=√3/2-9

=√3-18/2