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Home
Class 10
MATHS
tan^2theta-sec^2theta=…………...

`tan^2theta-sec^2theta`=…………

A

`1`

B

`-1`

C

`0`

D

`alpha`

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Text Solution

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Knowledge Check

  • (tan theta)/(sec theta) =…………….

    A
    `-cos theta`
    B
    `sin theta`
    C
    `-tan theta`
    D
    None

  • Solve: tan^2theta+sec2theta=1,0^@lethetale90^@

    A
    `theta=60^@`
    B
    `theta=pi/4`
    C
    `2pi/3`
    D
    None

  • The general value of theta satisfying the equation tan^(2) theta + sec 2 theta = 1 is

    A
    `n pi , n in Z`
    B
    `n pi pm (pi)/( 3), n in Z`
    C
    `2 n pi pm (pi)/(3), n in Z`
    D
    `2 n pi , n in Z`

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    VGS PUBLICATION-BRILLIANT-TRIGONOMETRY-EXERCISE
    1. sinA=cosB then A+B = …………

      01:59

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    2. Trigionometry was introduced by ………..

      03:16

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    3. If tanA=3/4 then sec^2A-tan^2A = ……………

      05:36

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    4. tan^2phi-sec^2phi = ………………

      01:52

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    5. cos 12-sin 78=…………..

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    6. If x=cosectheta+cottheta and y=cosectheta-cottheta,then which of the f...

      04:38

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    7. cos(A-B) =

      01:44

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    8. cos (90-theta)=

      02:12

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    9. In /\ABCsinC=3/5 then cosA=………..

      04:18

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    10. tan^2theta-sec^2theta=…………

      01:28

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    11. sec(90^(0)-A)=

      01:49

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    12. If cosectheta+cottheta=5 then cosectheta-cottheta=………..

      01:52

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    13. If x=2sectheta,y=2tantheta then x^2-y^2=……..

      01:56

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    14. If sqrt3 tan theta=1 then theta=

      02:06

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    15. (sec60)(cos60)=……………

      01:48

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    16. sin(60^(0) + 30^(0) ) =

      02:04

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    17. If sectheta+tantheta=1/2 then sectheta-tantheta=…………..

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    18. cos (90-theta)=

      02:12

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    19. tan26^@*tan64^@=………….

      02:36

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    20. (1-tan^2 45^@)/(1+tan^2 45^@) = …………….

      01:08

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