1.

2tan^2 45°+cos^2 30°-sin^2 60° Evaluate​

Answer»

ong>ANSWER:

tan45° = 1

cos30° = root 3 / 2

Sun 60° = root 3/2

now

put these value in equ.

2 × 1 + 3 / 4 - 3/4

= 2



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