Question

4/cot^2 30+1/sin^2 30 - 2 cos^2 45-sin0​

Answer 1

Answer:

4/(√3) ^2+ 1/ (1/2) ^2 - 2 (1/√2) ^2 - 0

4/3 + 1/(1/4) - 2(1/2)

4/3 +4-1

=4/3+3

=13/3

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