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Find the values of other five trignometr...

Find the values of other five trignometrtic functions in each of the following:
`cosx =-1/2`, x lies in third quadrant.

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MODERN PUBLICATION-TRIGNOMETRY-EXERCISE
  1. Is the equation 2 sin^2 theta -cos theta+ 4 = 0 possible ?

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  2. Find the values of the remaining functions in the following problem : ...

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  3. Find the values of other five trignometrtic functions in each of the f...

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  4. Find the values of the remaining functions in the following problem : ...

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  5. Find the values of the remaining functions in the following problem : ...

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  6. Find the values of the remaining functions in the following problem : ...

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  7. Find the values of the remaining functions in the following problem : ...

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  8. Find the values of the remaining functions in the following problem : ...

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  9. Find the values of the remaining functions in the following problem : ...

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  10. Find the values of the remaining functions in the following problem : ...

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  11. If cos A=21/29 and A lies in the fourth quadrant, find sin A and tan A...

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  12. If sin A=21/29 and A lies in the second quadrant, find sec A + tan A=(...

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  13. If sin theta sec theta = -1 and theta lies in the second quadrant, f...

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  14. If cos theta cosec theta = -1 and theta lies in the fourth quadrant, ...

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  15. If sinA :cosA :: 8: 15, find sin A and cos A.

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  16. If cosec A -cot A= 3/2, find cos A and also the quadrant in which A li...

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  17. If secA + tan A = m, prove that : sinA= (m^2-1)/(m^2+1) .

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  18. If 5 sin theta = 3, find the value of (sec theta -tan theta)/ (sec the...

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  19. Prove that the equation : cos theta= x+1/x is impossible if x be real...

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  20. Prove that the equation : (a+b)^2= 4ab sin^2 theta is possible only w...

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