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Find the general solution for each of th...

Find the general solution for each of the following equations :
`sin3alpha=4sinalphasin(x+alpha)sin(x-alpha)`

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The correct Answer is:
`x=npipm(pi)/(3),ninZ`
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KUMAR PRAKASHAN-TRIGONOMETRIC FUNCTIONS -PRACTICE WORK
  1. Find the general solution for each of the following equations : 4sin...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  16. For DeltaABC prove that, (a-b)^(2)cos^(2)""(C)/(2)+(a+b)^(2)sin^(2)"...

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  17. In DeltaABC,(sinA)/(sinC)=(sin(A-B))/(sin(B-C)) then prove that a^(2),...

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  18. Prove that, 2(asin^(2)((C)/(2))+csin^(2)((A)/(2)))=c+a-b

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  19. Prove that, tan((A)/(2)+B)=(c+b)/(c-b)tan((A)/(2))

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  20. Prove that, a^(3)sin(B-C)+b^(3)sin(C-A)+c^(3)sin(A-B)=0

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