Home
Class 12
MATHS
If cos 25^(@) + sin 25^(@) =p, then: cos...

If `cos 25^(@) + sin 25^(@) =p`, then: `cos 50^(@)=`

A

`sqrt(2-p^(2))`

B

`psqrt(2-p^(2))`

C

`psqrt(2-p^(2))`

D

`-sqrt(2-p^(2))`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP: CHAPTER 3-3.1|10 Videos
  • TRIGONOMETRIC FUNCTIONS

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP: CHAPTER 3-3.2|17 Videos
  • TRIGONOMETRIC FUNCTIONS

    MARVEL PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS - PART-B: MASTERING THE BEST|27 Videos
  • THREE DIMENSIONAL GEOMETRY

    MARVEL PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|39 Videos
  • VECTORS

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|20 Videos

Similar Questions

Explore conceptually related problems

cos25^(@)-sin25^(@)=p then find cos50^(@)

If cos25^(0)+sin25^(0)=p, then cos50^(@) is (a) sqrt(2-p^(2))(b)-sqrt(2-p^(2))(c)p sqrt(2-p^(2))(d)-p sqrt(2-p^(2))

cos 5^(@) - sin 25^(@) is equal to

If cos25^(0)+sin25^(0)=K, then cos50^(@) is equal to

The value of cos 25 ^(@) – sin 25 ^(@) is

If tantheta=(cos25^(@)+sin25^(@))/(cos25^(@)-sin25^(@))andtheta is in the third quadrant, then theta =

sin 10^(@)+sin 20^(@) + sin 40 ^(@) + sin 50 = A) sin 15^(@) +sin 75^(@) B) cos 15^(@) + cos75^(@) C) sin 70^(@) + sin 80^(@) D) cos 70^(@) + cos 80^(@)