Achieve Indian Airforce Agniveer Vayu Reasoning and General Awareness Practice Book>Chapter 28 - Trigonometry>Exercise>Q 7

HARD

Agniveer Vayu

IMPORTANT

Earn 100

A ladder leans against a wall at an angle $α$ to the horizontal. Its foot is pulled away through a distance $a_{1}$ so that it slides a distance $b_{1}$ down the wall and rests inclined at angle $β$ with the horizontal. If foot is further pulled away through $a_{2}$ , so that it slides a further distance $b_{2}$ down the wall and is now, inclined at an angle $γ$ . If $a_{1} a_{2} = b_{1} b_{2}$ , then

33.33% studentsanswered this correctly

Important Questions on Trigonometry

MEDIUM

Agniveer Vayu

IMPORTANT

Achieve Indian Airforce Agniveer Vayu Reasoning and General Awareness Practice Book>Chapter 28 - Trigonometry>Exercise>Q 8

A flag staff is upon the top of a building. If at a distance of

40

meter from the base of building the angles of elevation of the tops of the flag staff and building are

60 °

and

30 °

respectively, then the height of the flag staff is

HARD

Agniveer Vayu

IMPORTANT

Achieve Indian Airforce Agniveer Vayu Reasoning and General Awareness Practice Book>Chapter 28 - Trigonometry>Exercise>Q 9

From the top of a cliff of height

a

, the angle of depression of the foot of a certain tower is found to be double the angle of elevation of the top of the tower of height

h

. If

θ

be the angle of elevation, then its value is

MEDIUM

Agniveer Vayu

IMPORTANT

Achieve Indian Airforce Agniveer Vayu Reasoning and General Awareness Practice Book>Chapter 28 - Trigonometry>Exercise>Q 10

A B C

is a triangular park with

A B = A C = 100 m

. A clock tower is situated at the midpoint of

B C

. The angles of elevation of the top of the tower at

A

and

B

are

\cot^{- 1} 3.2

and

c o s e c^{- 1} 2.6

respectively. The height of the tower is