+3 votes
in Class 11 by kratos

Evaluate: 4/3tan2120° + 3sin2300° – 2cosec2240°- cot260°

1 Answer

+2 votes
by kratos
 
Best answer

Now tan 120° = tan (180° – 60°)

= -tan 60°

= -√3 sin 300° = sin (360° – 60°)

= – sin 60° = -√3/2

cosec 240° = cosec (180° + 60°)

= – cosec 60° = -2/√3

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