Home
Class 12
MATHS
If (1)/(sin20^(@)) + (1)/(sqrt(3)cos20^(...

If `(1)/(sin20^(@)) + (1)/(sqrt(3)cos20^(@)) = 2kcos40^(@)`, then `18k^(4) + 162k^(2) + 369` is divisible by (A) `345` (B) `349` (C) `347` (D) `5`

Promotional Banner

Similar Questions

Explore conceptually related problems

(sqrt(3))/(sin20^(@)) - (1)/(cos20^(@)) =

((sqrt(3))/(sin20^(@)-)(1)/(cos20^(@)))=4

(sqrt3)/(sin(20^@))-1/(cos(20^@))=

sin20^(@)*cos40^(@)+cos20^(@)*sin40^(@)=(sqrt(3))/(2)

(cos30^(@)-sin20^(@))/(cos40^(@)+cos20^(@))=(4)/(sqrt(3))cos40^(@)cos80^(@)

(2cos40^(@)-cos20^(@))/(sin20^(@))

(2cos40^(@)-cos20^(@))/(sin20^(@))

(2cos40^(@)-cos20^(@))/(sin20^(@))=?

If (cos^(3)20^(0)+cos^(3)40^(0))/(cos20^(0)+cos40^(0))=k , then the value of k is

If : sin 40^(@)-cos 70^(@)= k * cos 80^(@), "then" : k = A) sqrt1 B) sqrt2 C) sqrt3 D) sqrt4