trigonometric ratios Archives - Page 11 of 13

0

Rajan@2021Guru

Asked: April 4, 2021In: CBSE

In a ∆ABC, in which ∠C = 90°, ∠ABC = θ°, BC = 21 units, AB = 29 units. Show that (cos^2θ – sin^2 θ) = 41/841.

0

This is the basic and conceptual question from trigonometric ratios in which we are to prove that (cos^2θ – sin^2 ...Read more

0

Rajan@2021Guru

Asked: April 4, 2021In: CBSE

In a ΔABC, right angled at B, AB=24 cm, BC=7 cm. Find (i) sinA, (ii) cosA (iii) sinC (iv) cosC

0

This is the basic and conceptual question from trigonometry in which we have been asked to find (i) sinA, (ii) ...Read more

0

Rajan@2021Guru

Asked: April 4, 2021In: CBSE

In the adjoining figure, ∠B = 90°, ∠BAC = θ°, BC = CD = 4 cm and AD=10 cm. Find (i) sinθ and (ii) cosθ.

0

We have a question from trigonometric ratios in which we have given In the adjoining figure, ∠B = 90°, ∠BAC ...Read more

2

Rajan@2021Guru

Asked: April 4, 2021In: CBSE

If sec A = 17/8, verify that (3-4 sin^2A)/(4cos^2 A-3) =(3- tan^2 A )/(1-3tan^2 A)

2

One of the most important and exam oriented question from trigonometric ratios in which we have given sec A = ...Read more

0

Rajan@2021Guru

Asked: April 4, 2021In: CBSE

If 3 cot θ = 4, show that (1- tan^2θ)/ (1+ tan^2θ) = (cos^2θ- sin^2θ)

0

This is the basic and conceptual question from trigonometric ratios in which we have given 3 cot θ = 4, ...Read more

0

Rajan@2021Guru

Asked: April 4, 2021In: CBSE

3cot theta =2. show that (4sin theta -3cos theta)/(2sin theta +6cos theta) =1/3

0

This is the basic and conceptual question from trigonometry in which we have given 3cot theta =2. We need to ...Read more

0

Rajan@2021Guru

Asked: April 4, 2021In: CBSE

If 3 tan theta =4, show that (4 cos theta – sin theta)/(2 cos theta+sin theta) =4/5

0

This is the basic and conceptual question from trigonometry in which we have been asked to show that (4 cos ...Read more

-1

Rajan@2021Guru

Asked: April 4, 2021In: CBSE

If tan theta = a/b, prove that {(a sin theta) -(b cos theta )}/{(a sin theta) +(b cos theta )}=( a²-b²)/(a²+b²)

-1

This is the basic and conceptual question from trigonometry in which we have given If tan theta = a/b, and ...Read more

0

Rajan@2021Guru

Asked: April 4, 2021In: CBSE

If cos θ = 3/5, show that (sinθ – cotθ)/ 2tanθ = 3/160

0

This is the basic and conceptual question from trigonometry in which we have cos θ = 3/5, and we have ...Read more

0

Rajan@2021Guru

Asked: April 4, 2021In: CBSE

If sinθ= a/b , show that (secθ+tanθ)= √(b+a)/(b-a)

0

This is the basic and conceptual question from trigonometry in which we have sinθ= a/b , we are to prove ...Read more

Discy Latest Questions