RD Sharma - Mathematics

Book: RD Sharma - Mathematics

Chapter: 7. Values of Trigonometric Functions at Sum of Difference of Angles

Subject: Maths - Class 11th

Q. No. 4 of Exercise 7.2

Listen NCERT Audio Books to boost your productivity and retention power by 2X.

4

Prove that lies between and .

Let f(x) =(2√3 + 3) sin x + 2√3 cos x


HereA = 2√3 , B = 2√3 + 3 And c = 0





Hence proved.


Chapter Exercises

Exercise 7.1
Exercise 7.2
Very Short Answer
MCQ

More Exercise Questions

1

Find the maximum and minimum values of each of the following trigonometrical expressions:

(i) 12 sin x- 5 cos x


(ii) 12 cos x + 5 sin x+ 4


(iii)


(iv) sin x – cos x + 1
2

Reduce each of the following expressions to the Sine And Cosine of A single expression:
2

Reduce each of the following expressions to the Sine And Cosine ofA single expression:

cos x – sin x
2

Reduce each of the following expressions to the Sine And Cosine ofA single expression:

24 cos x + 7 sin x
3

Show that Sin 1000 – Sin 100 is positive.
4

Prove that lies between and .

Students Store