Question 128

The value of $$4\sin^230^\circ+3\cot^2 60^\circ$$ is:

Solution

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$$Sin30°=1/2$$ and $$Cot60°=1/√3$$

So,$$4×Sin^230°=4×(1/4)=1$$

and $$3×Cot^260°=3×(1/3)=1$$

So,Sum of these two is 2.

Option C is correct.

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