Q. 2 A3.9( 213 Votes )

Choose the correct option and justify your choice:

A. sin 60°

B. cos 60°

C. tan 60°

D. sin 30°

Answer :

(i) We know that,
  
 
Putting values in given equation, 

[Since, √3 × √3 = 3]

in options we have,

sin 60° = √3/2

cos 60° = ½

tan 60° = √3

sin 30° = ½


Only (A) is correct.

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