
The pendulum on a large grandfather clock swings from one side to the other once every second. The length of the pendulum is and the angle through which it swings is . Find the total distance the tip of the pendulum travels in one minute.



Important Questions on Periodic Relationships: Trigonometric Functions
A complete turn has degrees, and each degree is divided into parts called minutes.
When the central angle with its vertex at the centre of the earth has a measure of minute, the arc on the surface of the earth that is formed by this angle (known as the great-circle distance) has a measure of nautical mile.
The radius of the earth is approximately . Find how many there are in nautical mile.

Find the sign of:

Find the sign of:

Find the sign of:

Find an obtuse angle that has the same sine as:
[Enter the value excluding degree symbol]

Find an obtuse angle that has the same sine as:
[Enter the value excluding degree symbol]

Find an obtuse angle that has the same sine as:
[Enter the value excluding degree symbol]

Find an obtuse angle that has the same sine as:
[Enter the value excluding degree symbol]
