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CBSE Notes 2011-2012 » X-Mathematics-Term2

Some Applications of Trigonometry

From the top of a cliff 25 m high, the angle of elevation of the top of a tower is found to be equal...

Multiple choice question

From the top of a cliff 25 m high, the angle of elevation
of the top of a tower is found to be equal to the angle of
depression of the foot of the tower. The height of the tower
is

The angle of elevation of the top of a 15 m high tower at a point 15 m away from the base of the tow...

Multiple choice question

The angle of elevation of the top of a 15 m high tower at
a point 15 m away from the base of the tower is

A person standing on the bank of a river find that the angle of elevation of the top of a tower on t...

Multiple choice question

A person standing on the bank of a river find that the
angle of elevation of the top of a tower on the opposite
bank is 45

The line drawn from the eye of an observer to the point in the object viewed by the observer is know...

Multiple choice question

The line drawn from the eye of an observer to the point
in the object viewed by the observer is known as

When a point is observed, the angle formed by the line of sight with the horizontal where the point ...

Multiple choice question

When a point is observed, the angle formed by the line of sight with the horizontal where the point being viewed is above the horizontal level is known as

When a point is observed, the angle formed by the line of sight with the horizontal when the point b...

Multiple choice question

When a point is observed, the angle formed by the line
of sight with the horizontal when the point being viewed
is below the horizontal level is known as

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