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If sintheta-costheta=1, then the value o...

If `sintheta-costheta=1,` then the value of `sin^3theta-cos^3theta` is __________

A

1

B

`-1`

C

0

D

2

Text Solution

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The correct Answer is:
A
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TARGET PUBLICATION-TRIGONOMETRIC FUNCTIONS -COMPETITIVE THINKING
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  2. If x in [0. (pi)/(2)], y in [0, (pi)/(2)] and sin x + cos y =2, then ...

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  3. If sintheta-costheta=1, then the value of sin^3theta-cos^3theta is

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  4. If tan theta =-4/3, then sin theta is

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  5. If sin theta =(24)/(25) and theta lies in the second quadrant, then se...

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  6. If sintheta=(2t)/(1+t^2) and theta lies in 2nd quadrant ,then costheta...

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  7. If (3pi)/4 < alpha < pi , then sqrt(cosec ^2alpha+2cotalpha) is equal ...

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  8. If cosectheta-cottheta=2017 , then quadrant in which theta lies is

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  9. If cosec theta - cot theta = 1/2, 0 lt theta lt pi/2, then cos theta...

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  10. If cosec A + cot A =11/2 , then tan A equal to

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  11. If sec theta + tan theta =p, then tan theta is equal to

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  12. If t a ntheta+s e ctheta, then costheta equals (e^x+e^(-x))/2 (b) 2/(...

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  13. If sin theta + cos theta =1 then sin theta cos theta =

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  14. If 3 sin A+5 cos A =5, then the value of (3 cos A-5 sin A )^(2) is

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  15. If sectheta=m, tantheta = n, then 1/m{(m+n)+1/(m+n)}

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  16. If sintheta +cos theta =m and sec theta + cosec theta =n then n(m+1)(m...

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  17. If 2y cos theta =x sin theta and 2x sec theta -y cosec theta =3, then ...

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  18. If tan theta + sin theta = 1, " then" cos^(2) theta = n " then" m^(2)...

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  19. If (secalpha+tanalpha)(secbeta+tanbeta)(secgamma+tangamma)=tanalphatan...

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  20. If Pn = cos^n theta+ sin^n theta then 2P6-3P4 + 1 =

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