Trigonometric Ratios

Author:Embibe Experts
10th Uttar Pradesh Board
IMPORTANT

Important Questions on Trigonometric Ratios

MEDIUM
IMPORTANT

A kite string is 48 m long. As the wind blew, the angle between the kite and the ground went from 27 degrees to 54 degrees. Determine the increase in the vertical height of the kite above the ground.

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EASY
IMPORTANT

Identify "Hypotenuse", "opposite side", and "Adjacent side" for the angle X in the given triangle.

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MEDIUM
IMPORTANT

In a right angle triangle ABC right angle is at C. BC+CA=23 cm and BC-CA=7 cm, then find sinA and sinB.

HARD
IMPORTANT

If in a right angled triangle ABC,B is a right angle; then find the value of sinA,cosC and tanA.

Given AC=5 cm,AB=3 cm,BC=4 cm.

MEDIUM
IMPORTANT

One of the trigonometric ratio is given as tanθ=34, find the remaining trigonometric ratios.

EASY
IMPORTANT

In the following figure how will you find the trigonometric ratios for XYZ=q?

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EASY
IMPORTANT

 In a ABC, AD is the bisector of BAC . If AB=8 cm, BD=6 cm and DC=3 cm. The length of the side AC is

MEDIUM
IMPORTANT

If 4 tan θ=3, then 4 sin θ- cos θ4 sin θ+ cosθ is equal to

MEDIUM
IMPORTANT

If ABC is a right-angled triangle at C having u units, v units and w units as the lengths of its sides opposite to the vertices A, B, C, respectively, then what is tanA+tanB equal to ?

HARD
IMPORTANT

If sinθ=13, then the value of 2cot2θ+2 is equal to:

HARD
IMPORTANT

In fig. given, if PS=14 cm, the value of tana is equal to:
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MEDIUM
IMPORTANT

If sinα=12 and α is acute, then (3cosα-4cos3α) is equal to:

MEDIUM
IMPORTANT

If 3cotθ=2, show that 4sinθ-3cosθ2sinθ+6cosθ=13

MEDIUM
IMPORTANT

If A and B are acute angles such that tanA=tanB then prove that A = B

EASY
IMPORTANT

If 5tanθ-4=0, then the value of 5sinθ-4cosθ5sinθ+4cosθ is