Home
Class 12
MATHS
The value of cos22(1^(@))/(2) is...

The value of `cos22(1^(@))/(2)` is

A

`sqrt 2 +1`

B

`(sqrt 3 + 1)/(2 sqrt 2)`

C

`sqrt((sqrt2 +1)/(2 sqrt2))`

D

`sqrt(sqrt2-1)/(2sqrt2)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST 1

    SIA PUBLICATION|Exercise PHYSICS|12 Videos

  • MEASURES OF DISPERSION AND PROBABILITY

    SIA PUBLICATION|Exercise PROBLEMS|82 Videos

  • MOCK TEST 2

    SIA PUBLICATION|Exercise Chemistry|21 Videos

Similar Questions

Explore conceptually related problems

Find the value of cos^(2)52(1^@)/(2) - sin^(2)22 (1^@)/2

There exists a positive real number x satisfying cos(tan^(-1)x)=x . Then the value of cos^(-1)(x^(2)/2) is

Find the values of cos 22(1/2)^(@) using the value of cos 45°?

Find the value of cos^(2)112^((1^(0))/(2))-sin^(2)52^((1^(0))/(2)) cos^(2)52^((1^(0))/(2))-sin^(2)22^((1^(0))/(2))

There exists a positive real number x satisfying cos(tan^(-1)x)=x . Then the value of "cos"^(-1)((x^(2))/2) is

I. The value of Sin^(-1)(sin5)" is "5-2pi II. The value of Cos^(-1)(cos2)" is "2

The value of cos ^(2) 10^(@) cos 50^(@) + cos ^(2) 50^(@) is equal to

Find the values of cos22""1_(@)/2

Find the values of cot22""1_(@)/2