Home
Class 8
MATHS
[" If "5(tan^(2)x-cos^(2)x)=2cos2x+9" ,t...

[" If "5(tan^(2)x-cos^(2)x)=2cos2x+9" ,then the value of "cos4x" is: "],[[" (1) "-(3)/(5)," (2) "(1)/(3)," (3) "(2)/(9)," (4) "-(7)/(9)]]

Promotional Banner

Similar Questions

Explore conceptually related problems

If 5(tan^2x - cos^2x)=2cos 2x + 9 , then the value of cos4x is

If 5(tan^2x - cos^2x)=2cos 2x + 9 , then the value of cos4x is

If 5(tan^2x - cos^2x)=2cos 2x + 9 , then the value of cos4x is

If 5(tan^2x - cos^2x)=2cos 2x + 9 , then the value of cos4x is

If 5(tan^2x - cos^2x)=2cos 2x + 9 , then the value of cos4x is

If 5 (tan ^(2) x - cos ^(2) x ) = 2 cos 2x +9 , then the value of cos 4 x is

If 5(tan^(2)x-cos^(2)x)=2cos2x+9, then the value of cos4x is: (2)/(9)(2)-(7)/(9)(3)-(3)/(5)(4)(1)/(3)

6tan^(2)x-2cos^(2)x=cos2x if cos2x=

If cos^(2)x+cos^(4)x=1 , then find the value of tan^(2)x+tan^(4)x .