sin60cos30+sin30cos60

Asked by guru131851 | 27th Sep, 2020, 10:52: AM

Expert Answer:

Since, sina cosb + cosa sinb = sin(a+b)
 
Therefore,
sin 60 cos 30 + cos 60 sin 30 = sin(60+30) = sin 90 = 1

Answered by Renu Varma | 27th Sep, 2020, 12:14: PM