Math, asked by pn331709, 4 months ago

tan²60-2cos²60-3/4sin²45-4sin²30

Answers

Answered by SandeepAW

0

Answer:

tan²60-2cos²60-3/4sin²45-4sin²30.

tan60=√3.

cos60=1/2.

sin45=1/√2.

sin30=1/2.

tan²60-2cos²60-3/4sin²45-4sin²30=(√3)²-2(1/2)²-3/4(1/√2)²-4(1/2)².

=3-2(1/4)-3/4(1/2)-4(1/4).

=3-2/4-3/4/2-4/4.

=3-1/2-3/2-1.

=3-1/2-3/1.

=1/2.

I think this is your answer.

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