Trigonometry Board Questions Solved with Explanation

What is the height of the tower in the sun's altitude problem?

• 40 meters

• 30 meters

• 20 meters

• 10 meters

Which trigonometric ratio is used to find the sun's altitude?

• Sine

• Cotangent

• Cosine

• Tangent

What is the sun's altitude in degrees?

• 60 degrees

• 45 degrees

• 30 degrees

• 15 degrees

What is the initial angle of elevation of the airplane?

• 30 degrees

• 45 degrees

• 60 degrees

• 90 degrees

How long does it take for the angle of elevation to change from 60 degrees to 30 degrees?

• 25 seconds

• 15 seconds

• 10 seconds

• 20 seconds

What is the constant height at which the airplane is flying?

• 1000 meters

• 1500 meters

• 2000 meters

• 1500 root 3 meters

What is the final speed of the airplane in kilometers per hour?

• 720 km/h

• 800 km/h

• 600 km/h

• 900 km/h