Home
Class 11
MATHS
If sec A tan B + sec B tan A = 91 then t...

If sec A tan B + sec B tan A = 91 then the value of `(secA secB + tanA tan B)^(2) - 91^(2)` is equal to

A

1

B

-1

C

0

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • TRIGONOMETRIC RATIOS

    AAKASH SERIES|Exercise PRATICE SHEET (EXERCISE) (LEVEL-II(ADVANCED) (MORE THAN ONE CORRECT ANSWER TYPE QUESTIONS)|5 Videos

  • TRIGONOMETRIC RATIOS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL - II) (PRACTICE SHEET (ADVANCED) SIGNLE ANSWER TYPE QUESTIONS)|23 Videos

  • TRIGONOMETRIC RATIOS

    AAKASH SERIES|Exercise PRATICE SHEET (EXERCISE) (LEVEL-I(MAIN) (SINGLE ANSWER TYPE QUESTIONS)|47 Videos

  • TRIGONOMETRIC EQUATIONS

    AAKASH SERIES|Exercise Practice Exercise|49 Videos

  • VECTOR (CROSS) PRODUCT OF TWO VECTORS

    AAKASH SERIES|Exercise Practice Exercise|34 Videos

Similar Questions

Explore conceptually related problems

If sec theta + tan theta =p , then what is the value of sec theta - tan theta ?

If sec theta +tan theta =p, then what is the value of sec theta -tan theta ?

Knowledge Check

  • tan 2A- sec A sin A =

    A
    `sin A* tan 2A`
    B
    `tan A * sec 2A`
    C
    `sec A - sin 2A `
    D
    `cos A- cot 2A `

  • If sec x + sec^(2) x = 1 then the value of tan^(8) x - tan^(4) x - 2 tan^(2) x +1 will be equal to 0

    A
    0
    B
    1
    C
    2
    D
    3

  • (sec A + tan A -1) (sec A - tan A+1)=

    A
    `2 sin A `
    B
    `2 cos A `
    C
    `2 sec A `
    D
    `2 tan A `

    • Similar Questions

    Explore conceptually related problems

    If sec A + tan A = 1/3, then sec A - tan A =…………

    IF sec A+ tanA=1/5 , then sec A- tan A=………

    If tan theta = 3//4 , then the value of tan 2 theta + sec 2 theta is

    If tan x = n tan y, nin R ' then the maximum value of sec^(2)(x-y) is equal to

    If 2 tan A=3 tan B , " then " tan (A-B)=

    Home
    Profile