If f(x)=cos ^(2) x+sec ^(2) x, then...

If `f(x)=cos ^(2) x+sec ^(2) x`, then

A

`f(x)lt1`

B

`f(x)=1`

C

`2ltf(x)lt1`

D

`f(x) ge 2`

Text Solution

Verified by Experts

Topper's Solved these Questions

MAXIMA AND MINIMA
HIMALAYA PUBLICATION|Exercise QUESTION BANK|167 Videos
Pair Of Lines
HIMALAYA PUBLICATION|Exercise QUESTION BANK|129 Videos

Similar Questions

Explore conceptually related problems

If f(x)=cot^(-1)(cos2x)^(1//2) , then f'(pi//6) is :

If f(x) = (x^(2)-x)/(x^(2)+2x) , then d/dx [f^(-1)(x)] =

int x^(2)sec x^(3)dx

If f: R to R and g : R to R are given by by f(x)=cos x and g(x)=3x^(2) , then shown that gof ne fog .

If f(x) = cos x - cos^(2)x + cos^(3)x + …. to oo int f(x) dx =

The greatest value of f(x)=cos(x e^([x])+7x^(2)-3x), x in [-1,oo) is :

Let f(x) =cos x sin 2x , then :

If f(x) = cos(log x) , then f((1)/(x)) f((1)/(y) - (1)/(2)[f((x)/(y)) + f(xy)] =

The greatest value of : f(x) =cos[x e^([x])+7x^(2)-3x], x in [-1, oo) is :

If linear function f(x) and g(x) satisfy int[(3x-1) cos x + (1-2x)sinx]dx = f(x) cos + g(x) sin x + C , then

HIMALAYA PUBLICATION-MEASUREMENT OF ANGLES, TRIGONOMETRIC RATIOS AND RELATION BETWEEN SIDES AND ANGLES OF A TRIANGLE-QUESTION BANK

The value of cos (pi)/(5) . cos (2 pi)/(5). cos (4 pi)/(5) . cos (8 pi...
Text Solution
|
If sin theta+cosec theta=2, then sin ^(2) theta+cosec^(2) theta=
Text Solution
|
If f(x)=cos ^(2) x+sec ^(2) x, then
Text Solution
|
If tan theta=(1)/(2) and tan varphi=(1)/(3) then the value of theta+va...
Text Solution
|
Which of the following is not correct?
Text Solution
|
The value of tan 1^(circ) . tan 2^(circ) . tan 3^(circ) …..tan 89^(cir...
Text Solution
|
The value of (1-tan ^(2) 15^(circ))/(1+tan ^(2) 15^(circ)) is
Text Solution
|
If tan thata = 3 and theta lies in third quadrant, then the value of s...
Text Solution
|
The value of tan 75^(circ)-cot 75^(circ) is equal to
Text Solution
|
Sin (45^(@)+theta)-cos(45^(@)-theta) is equal to :
Text Solution
|
cos 12^(circ)+cos 84^(circ)+cos 156^(circ)+cos 132^(circ)=
Text Solution
|
If tan A=(1)/(2), tan B=(1)/(3) then tan (2 A+B) is equal to
Text Solution
|
The value of sin (pi)/(10) sin (13 pi)/(10) is
Text Solution
|
The value of sin 50^(circ)-sin 70^(circ)+sin 10^(circ) is equal to
Text Solution
|
If sin theta+cos theta=1 then the value of sin 2 theta is equal to
Text Solution
|
If alpha+dot(beta)=(pi)/(4), then the value of (1+tan alpha)(1+tan bet...
Text Solution
|
If sin theta=-(4)/(5) and theta lies in 3 quadrant then the value of c...
Text Solution
|
The value of sin (pi/18)+sin ((pi)/(9))+sin 2(pi/9)+sin 5(pi/18) is gi...
Text Solution
|
If A lies in the second quadrant and 3 tan A+4=0 then the value of 2 c...
Text Solution
|
The value of cos ^(2) 48^(circ)-sin ^(2) 12^(circ) is
Text Solution
|