Math, asked by sa8710352, 7 months ago

2cos²(30)-1 is same as..

Answers

Answered by Farhan5555

0

Answer:

0.5

Step-by-step explanation:

2cos²30-1

=2×(√3/2)²-1

=2×3/4-1

=3/2-1

=1/2

=0.5

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