Question

1..The value of sin 60-sin 30 is -
2..The angle of elevation of the top of a building from a point
on the ground which is 30 meters away from the foot of
the building is 60. The height of the building is -
A) 103 m.
C) 1573 m.
b) 303 m.
D) 60V 3 m​

Answer 1

Answer:

1. since 60 - sin30

=√3/2- 1/2

=(√3-1)/2