Home
Class 10
MATHS
The value of cos48^(@)cos42^(2)-sin48^(@...

The value of `cos48^(@)cos42^(2)-sin48^(@)sin42^(@)` is:

A

1

B

0

C

90

D

4

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • INTRODUCTION TO TRIGONOMETRY

    OSWAAL PUBLICATION|Exercise TOPIC -1 TRIGONOMETRIC RATIOS : COMPLEMENTARY ANGLES & VALUE (VERY SHORT ANSWER TYPE QUESTIONS)|8 Videos

  • INTRODUCTION TO TRIGONOMETRY

    OSWAAL PUBLICATION|Exercise TOPIC -1 TRIGONOMETRIC RATIOS : COMPLEMENTARY ANGLES & VALUE (SHORT ANSWER TYPE QUESTION)|8 Videos

  • CONSTRUCTIONS

    OSWAAL PUBLICATION|Exercise TEXTBOOK CORNER (EXERCISE 6.2) |1 Videos

  • KARNATAKA SECONDARY EDUCATION EXAMINATION BOARD (MODEL QUESTION PAPER)

    OSWAAL PUBLICATION|Exercise QUESTION|42 Videos

Similar Questions

Explore conceptually related problems

The value of cos^(2)45^(@)-sin^(2)15^(@) is

Find the value of cos60^(@) cos 30^(@)-sin 60^(@) sin 30^(@)

The value of sin45^(@)+cos45^(@) is :

The value of cos ^(2)45^(@) - sin^(2)15^(@) is

The value of cos^(2)17^(@)-sin^(2)73^(@) is:

Evalute (c ) cos48^(@)-sin42^(@)

The value of cos 49^(@) - sin 41^(@) is

The value of (cos^(4)x+cos^(2)x sin^(2) x + sin^(2)x)/(cos^(2)x+ sin^(2) x cos^(2) x + sin^(4)x) is ____________

The value of cos ^(-1)(-1)-sin ^(-1)(1) is

The value of cos ^(2) 48^(circ)-sin ^(2) 12^(circ) is