+91-87964 74404
FlagBACK
Question icon
Grade 11Trigonometry

If f(x) = [cos(x) + 5cos(3x) + cos(5x)]/[cos(6x) + 6cos(4x) + 15cos(2x) + 10]
then find the value of f(0) + f'(0) + f''(0)

Profile image of Vaibhav Gupta
10 Years agoGrade 11
Answers icon

1 Answer

Profile image of Vijay Mukati
10 Years ago
Hint.: Try to find out first and second derivate of f(x) seperatly and then to find the f(0) and other put x = 0. Thanks.

Other Related Questions on trigonometry

question mark
In ABC, if cot A+cot B+cot C = cosecA cosecB cosecC, then prove that ABC is right angle triangle.
trigonometry
1 Answer Available

Last Activity: 3 Years ago

question mark
  • Find the general solution of equation tan3∂=cot2∂
For all angles between -720 and +720
trigonometry
1 Answer Available

Last Activity: 4 Years ago

question mark
To prove : Cosec(45 degree - A)Cosec(45 degree + A) = 2SecA
trigonometry
1 Answer Available

Last Activity: 4 Years ago

question mark
Derive a formula for the area of the triangle, given b, A, B, and C. That is, derive the formula: (b^2sinAsinC)/(2sinB)
trigonometry
1 Answer Available

Last Activity: 4 Years ago

question mark
WHAT IS THE LIMIT WHEN X TOWARDS TO 0 OF sin6x/5x ? lim𝑥→0 𝑠𝑖𝑛6𝑥/5𝑥 
trigonometry
1 Answer Available

Last Activity: 4 Years ago