Home
Class 12
MATHS
State which of the following is true ?...

State which of the following is true ?

A

`cos 10^(@) + cos25^(@)` can be expressed as one cosine only

B

`cos20^(@)- cos40^(@)` can be expressed as one sine only

C

cos A cos B can not be expressed as the sum of two cosines

D

sin A cos B can be expressed as the difference of two sines

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TRANSFORMATIONS OF SUMS AND PRODUCTS

    CHHAYA PUBLICATION|Exercise Very Short Answer type Questions|14 Videos

  • TRANSFORMATIONS OF SUMS AND PRODUCTS

    CHHAYA PUBLICATION|Exercise Short Answer Type Questions|42 Videos

  • TRANSFORMATIONS OF SUMS AND PRODUCTS

    CHHAYA PUBLICATION|Exercise Comprehension Type|6 Videos

  • TANGENT AND NORMAL

    CHHAYA PUBLICATION|Exercise ASSERTION-REASON TYPE|2 Videos

  • TRIGONOMETRIC INVERSE CIRCULAR FUNCTIONS

    CHHAYA PUBLICATION|Exercise sample questions for competive examination|20 Videos

Similar Questions

Explore conceptually related problems

Which of the following is/are true ?

Which of the following is a true nut?

State which of the following is not true:

State which of the following is not true ?

State which one of the following is true -

Given A,B,C are three sets. State which of the followings are true____

If 2(1- x) ge 3x+17, state which of the following true-

Which of the following are true ?

Which of the following are true?

Which of the following pair is true?