1.

8. The value of sin 60° cos 30° + sin 30° cos 60° is:(a)0(b)1(c)2(d)4

Answer»

8. The VALUE of SIN 60° COS 30° + sin 30° cos 60° is:

(a)0

(b)1

(C)2

(d)4

Answer: b

Explanation: sin 60° = √3/2, sin 30° = ½, cos 60° = ½ and cos 30° = √3/2

Therefore,

√3/2 x √3/2 + ½ x ½

= 3/4 + 1/4

= 1


Discussion

No Comment Found

Related InterviewSolutions