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Prove that (cos e ctheta-sintheta)(secth...

Prove that `(cos e ctheta-sintheta)(sectheta-costheta)=1/(tantheta+cottheta)dot`

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Prove that ("cosec "theta-sintheta)(sectheta-costheta)(tantheta+cottheta)=1

Prove the following identities: (cos e ctheta-sintheta)(sectheta-costheta)=1/(tantheta+cottheta)

Prove the following identities: (cos e ctheta-sintheta)(sectheta-costheta)(tantheta+cottheta)=1

Prove the following identity: (cosectheta-sintheta)(s e ctheta-costheta)(t a ntheta+cottheta)=1

Prove that : (sintheta +sin2theta)/(1+costheta+cos2theta)=tantheta

Prove that (1+costheta-sin^(2)theta)/(sintheta(1+costheta))=cottheta

Prove that: (1+sintheta-costheta)/(1+sintheta+costheta)=tantheta/2

Prove that, 1/(costheta-cos3theta)+1/(costheta-cos5theta)+1/(costheta-cos7theta)+…+to n terms = 1/(2sintheta) [cottheta-cot(n+1)theta]

Prove that: (sintheta-costheta+1)/(sintheta+costheta-1)=1/(sectheta-tantheta)

(cos e c\ theta-sintheta)(sectheta-costheta)(tantheta+cottheta) is equal (a) 0 (b) 1 (c) -1 (d) None of these

RD SHARMA ENGLISH-STATISTICS-All Questions
  1. Find the mean of the following frequency distribution, using step-d...

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  2. If costheta+sintheta=sqrt(2)costheta, show that costheta-sintheta=sqrt...

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  3. Prove that (cos e ctheta-sintheta)(sectheta-costheta)=1/(tantheta+cott...

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  4. Let A={phi{phi},1,{1,phi},2}. Determine which of the following is true...

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  5. In Figure, A B|B C ,F G|B C and D E|AC.Prove that triangle A D E~G C ...

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  6. Prove that (2sqrt(3))/5 is irrational.

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  7. Show that any positive odd integer is of the form 4q+1 or 4q+3, where ...

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  8. If alpha,beta are zeroes of the polynomial x^2-2x-15 , then form a qua...

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  9. A person can row a boat at the rate of 5 km/hour in still water. He ...

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  10. Check graphically whether the pair of linear equation 4x-y-8=0 and 2x=...

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  11. In Figure, A D|B C and B D=1/3C Ddot Prove that 2C A^2=2A B^2+B C^2

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  12. Find the mode of the following distribution of marks obtained by 80 ...

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  13. In Fig. , A D=4c m , B D=3c m and C B=12 c m , find cottheta . (a)(1...

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  14. The decimal expension of (147)/(120) will terminate after how many pla...

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  15. The pair of linear equations 3x+2y=5;2x-3y=7 have (a)One solution (b...

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  16. For a given data with 70 observations the less then ogive and the mo...

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  17. Can (x-2) be the remainder on division of a polynomial p(x) by (2x+3)?...

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  18. In Figure, A B C D is a rectangle. Find the values of x a n d y dot

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  19. If 7sin^2theta+3cos^2theta=4, show that tantheta=1/sqrt(3)

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  20. In Figure, D E || A C and D F || A E . Prove that (E F)/(B F)=(E C)/(...

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