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Find the general solutions of the follow...

Find the general solutions of the following equations :
`costheta=-1`

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The correct Answer is:
`(2n+1)pi,ninZ`
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KUMAR PRAKASHAN-TRIGONOMETRIC FUNCTIONS -PRACTICE WORK
  1. Find the general solutions of the following equations : costheta=(-s...

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  2. Find the general solutions of the following equations : sintheta=(1)...

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  3. Find the general solutions of the following equations : costheta=-1

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  4. Find the general solutions of the following equations : sin5theta=(1...

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  5. Find the general solutions of the following equations : sin""(3theta...

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  6. Find the general solution for each of the following equations : 4sin...

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  7. Find the general solution for each of the following equations : tan^...

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  8. Find the general solution for each of the following equations : sin3...

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  9. Find the general solution for each of the following equations : tant...

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  10. Find the general solution for each of the following equations : 4sin...

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  11. Find the general solution for each of the following equations : sin2...

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  12. Find the general solution for each of the following equations : 2cos...

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  13. Find the general solution for each of the following equations : tant...

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  14. Find the general solution for each of the following equations : 2sin...

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  15. Find the general solution for each of the following equations : sint...

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  16. In DeltaABC,a=4,b=6andc=8 then move that 4cosB+8cosC=(3)/(4).

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  17. In DeltaABC,(b+c)/(11)=(c+a)/(12)=(a+b)/(13) then prove that (cosA)/(7...

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  18. In DeltaABC, if cosA=(sinB)/(2sinC) then show that DeltaABC is an isos...

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  19. In DeltaABC, if A=45^(@),B=60^(@)andC=75^(@) then find the ratio of it...

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  20. The angles of DeltaABC are in A.P. if b:c=sqrt(3):sqrt(2) then find an...

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