Read the following text and answer the following questions on the basis of the same.
A straight highway leads to the foot of tower. A man standing at the top of the tower observes a car at an angle of depression of 30°, which is approaching the foot of the tower with a uniform speed. Six seconds later, the angle of depression of the car is found to be 60°.
Q. Write the value of sec 30°.
Read the following text and answer the following questions on the basis of the same.
A straight highway leads to the foot of tower. A man standing at the top of the tower observes a car at an angle of depression of 30°, which is approaching the foot of the tower with a uniform speed. Six seconds later, the angle of depression of the car is found to be 60°.
Q. The line drawn from the eye of an observer to the point in the object viewed by the observer.1 Crore+ students have signed up on EduRev. Have you? Download the App |
Read the following text and answer the following questions on the basis of the same.
A straight highway leads to the foot of tower. A man standing at the top of the tower observes a car at an angle of depression of 30°, which is approaching the foot of the tower with a uniform speed. Six seconds later, the angle of depression of the car is found to be 60°.
Q. Find the time taken by the car to reach the foot of the tower from point D to B.Read the following text and answer the following questions on the basis of the same.
A straight highway leads to the foot of tower. A man standing at the top of the tower observes a car at an angle of depression of 30°, which is approaching the foot of the tower with a uniform speed. Six seconds later, the angle of depression of the car is found to be 60°.
Q. Write the value of cosec 60°.
Read the following text and answer the following questions on the basis of the same.
A straight highway leads to the foot of tower. A man standing at the top of the tower observes a car at an angle of depression of 30°, which is approaching the foot of the tower with a uniform speed. Six seconds later, the angle of depression of the car is found to be 60°.
Q. If the two lines are parallel; then the alternate opposite angles are ..................... .
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Form a point P on the ground the angle of elevation of the top of a 10 m tall building is 30°. A flag is hoisted at the top of the building and angle of elevation of the top of the flagstaff from P is 45°.
Q. Find the distance of the building from the point P.Read the following text and answer the following questions on the basis of the same.
Form a point P on the ground the angle of elevation of the top of a 10 m tall building is 30°. A flag is hoisted at the top of the building and angle of elevation of the top of the flagstaff from P is 45°.
Q. What is the value of tan 45°?
Read the following text and answer the following questions on the basis of the same.
Form a point P on the ground the angle of elevation of the top of a 10 m tall building is 30°. A flag is hoisted at the top of the building and angle of elevation of the top of the flagstaff from P is 45°.
Q. Find the length of flagstaff.Read the following text and answer the following questions on the basis of the same.
Form a point P on the ground the angle of elevation of the top of a 10 m tall building is 30°. A flag is hoisted at the top of the building and angle of elevation of the top of the flagstaff from P is 45°.
Q. What is the value of tan 30°?Read the following text and answer the following questions on the basis of the same.
Form a point P on the ground the angle of elevation of the top of a 10 m tall building is 30°. A flag is hoisted at the top of the building and angle of elevation of the top of the flagstaff from P is 45°.
Q. Write the Pythagoras theorem for DAPB.Read the following text and answer the following questions on the basis of same.
From a point on the bridge across a river the angle of depression of the banks on opposite sides of the river 30° and 45° respectively.
Q. Name the ΔAPD,Read the following text and answer the following questions on the basis of same.
From a point on the bridge across a river the angle of depression of the banks on opposite sides of the river 30° and 45° respectively.
Q. The value of tan 45° is
Read the following text and answer the following questions on the basis of same.
From a point on the bridge across a river the angle of depression of the banks on opposite sides of the river 30° and 45° respectively.
Q. If the bridge is at a height of 3 m from the banks, find the width of the river.Read the following text and answer the following questions on the basis of same.
From a point on the bridge across a river the angle of depression of the banks on opposite sides of the river 30° and 45° respectively.
Q. In ΔAPD, tan 30° isRead the following text and answer the following questions on the basis of same.
From a point on the bridge across a river the angle of depression of the banks on opposite sides of the river 30° and 45° respectively.
Q. The value of tangent in right angle triangle is equal to