Home
Class 11
MATHS
(sec 2A+1 ) sec ^(2) A=....................

`(sec 2A+1 ) sec ^(2) A=`................. A) `sec A ` B) `2 sec A` C) `sec 2A` D) `2 sec 2A`

A

`sec A `

B

`2 sec A`

C

`sec 2A`

D

`2 sec 2A`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

(sec2A+1)sec^2A=

cosec A -2 cot 2A cos A= ................ A) 2 sin A B) sec A C) 2 cos A cot A D) cos A

tan ((pi)/(4) + (theta)/(2)) + tan ((pi)/(4) -(theta)/(2)) is equal to ............... A) sec theta B) 2 sec theta C) sec "" (theta)/(2) D) -2 sec theta

(sin 2A)/( 1+ cos 2A) . (cos A)/( 1+ cos A)= ............... A) tan""A/2 B) cot ""A/2 C) sec ""A/2 D) cosec ""A/2

(sec8A-1)/(sec4A-1)=

(sec 8 A-1)/( sec 4A-1)= ..................... A) (tan 2A)/( tan 8A) B) (tan 8A)/(tan 2A) C) (cot 8A)/(cot 2A) D) (tan 6A)/(tan 2A)

sec^(-1)[sec(-30^(@))] =

If costheta=1/2(x+1/x) then 1/2(x^2+1/x^2) =............. A) sin 2 theta B) cos 2 theta C) tan 2 theta D) sec 2 theta

If the circumference of a circle changes at the rate of 0.2 cm/sec, then the rate of which its area is changing, when its radius is 8 cm is........ A) 0.8 cm^2 /sec B) 0.4 cm^2 /sec C) 1.6 cm^2 /sec D) 3.2 cm^2 /sec

(Sec^2 θ − 1) (Cosec^2 θ − 1) =