Tiwari Academy Discussion

Kashvi Rao

Asked: October 30, 2020In: Class 10

If tan A = cot B, prove that A + B = 90°.

NCERT Solutions for Class 10 Maths Chapter 8 Important NCERT Questions Introduction Trigonometry NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 8.3 Page No:187 Questions No:4

Kashvi Rao

Asked: October 30, 2020In: Class 10

If sec 4A = cosec (A – 20°), where 4A is an acute angle, find the value of A.

NCERT Solutions for Class 10 Maths Chapter 8 Important NCERT Questions Introduction Trigonometry NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 8.3 Page No:189 Questions No:5

Kashvi Rao

Asked: October 30, 2020In: Class 10

If A, B and C are interior angles of a triangle ABC, then show that Sin(B+C/2) = cos A/2.

NCERT Solutions for Class 10 Maths Chapter 8 Important NCERT Questions Introduction Trigonometry NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 8.3 Page No:190 Questions No:6

Kashvi Rao

Asked: October 30, 2020In: Class 10

Express sin 67° + cos 75° in terms of trigonometric ratios of angles between 0° and 45°.

NCERT Solutions for Class 10 Maths Chapter 8 Important NCERT Questions Introduction Trigonometry NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 8.3 Page No:190 Questions No:7

Sarthak

Asked: October 30, 2020In: Class 10

Express the trigonometric ratios sin A, sec A and tan A in terms of cot A.

NCERT Solutions for Class 10 Maths Chapter 8 Important NCERT Questions Introduction Trigonometry NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 8.4 Page No:193 Questions No:1

Sarthak

Asked: October 30, 2020In: Class 10

Write all the other trigonometric ratios of angle A in terms of sec A.

NCERT Solutions for Class 10 Maths Chapter 8 Important NCERT Questions Introduction Trigonometry NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 8.4 Page No:193 Questions No:2

Sarthak

Asked: October 30, 2020In: Class 10

Evaluate the following trigonometric values.

NCERT Solutions for Class 10 Maths Chapter 8 Important NCERT Questions Introduction Trigonometry NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 8.4 Page No:193 Questions No:3 (i) sin² 63° + sin² 27° / cos² 17° ...

Bhuv Gupta

Asked: October 27, 2020In: Class 9

What can you say about the motion of an object whose distance-time graph is a straight line parallel to the time axis?

NCERT Solutions for Class 9 Science Chapter 8 Motion NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-107 Questions No-2

Bhuv Gupta

Asked: October 27, 2020In: Class 9

An athlete completes one round of a circular track of diameter 200 m in 40 s. What will be the distance covered and the displacement at the end of 2 minutes 20 s?

NCERT Solutions for Class 9 Science Chapter 8 Motion NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-112 Questions No-1

Adah Tripathi

Asked: October 27, 2020In: Class 9

An object has moved through a distance. Can it have zero displacement? If yes, support your answer with an example.

NCERT Solutions for Class 9 Science Chapter 8 Motion NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-100 Questions No-1

If tan A = cot B, prove that A + B = 90°.

If sec 4A = cosec (A – 20°), where 4A is an acute angle, find the value of A.

If A, B and C are interior angles of a triangle ABC, then show that Sin(B+C/2) = cos A/2.

Express sin 67° + cos 75° in terms of trigonometric ratios of angles between 0° and 45°.

Express the trigonometric ratios sin A, sec A and tan A in terms of cot A.

Write all the other trigonometric ratios of angle A in terms of sec A.

Evaluate the following trigonometric values.

What can you say about the motion of an object whose distance-time graph is a straight line parallel to the time axis?

An athlete completes one round of a circular track of diameter 200 m in 40 s. What will be the distance covered and the displacement at the end of 2 minutes 20 s?

An object has moved through a distance. Can it have zero displacement? If yes, support your answer with an example.

Which is the best website providing NCERT Solutions?

NCERT Books

Where can I get NCERT books in PDF format?

NIOS

NCERT Solutions

Sign Up

Sign In

Forgot Password

Tiwari Academy Discussion Latest Questions