Home
Class 11
MATHS
Find the value of cos (-171 0^(@))...

Find the value of `cos (-171 0^(@))`

Text Solution

Verified by Experts

We know, for any natural number n`cos(2npi +x) = cos x`. So,
`cos(-1710^@) =cos(5**2pi + (-1710^@))`
`cos(1800^@-1710^@) = cos90^@ = 0`
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS

    NCERT|Exercise EXERCISE 3.4|9 Videos

  • TRIGONOMETRIC FUNCTIONS

    NCERT|Exercise EXERCISE 3.3|25 Videos

  • TRIGONOMETRIC FUNCTIONS

    NCERT|Exercise EXERCISE 3.5|16 Videos

  • STRAIGHT LINES

    NCERT|Exercise EXERCISE 10.5|2 Videos

Similar Questions

Explore conceptually related problems

Find the value of cos(-1710^(@))

Find the value of cos 75^@

Find the value of cos 75^(@)

Find the value of cos(-2220^@)

Find tha value of cos(-1575^@)

Find the value of the cos 15^(@) .

Find the value of cos(−1080^∘) .