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sin^6theta+cos^6theta\ \ for all theta...

`sin^6theta+cos^6theta\ \ ` for all `theta`

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ALLEN-TRIGONOMETRIC RATIOS AND IDENTITIES-All Questions
  1. Evaluate (2cos 40^0-cos 20^0)/(sin 20^0)=

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  2. Find the value 2 sqrt 2 sin 10^0[(s e c5^0)/2+(cos40^0\ )/(sin5^0)-2si...

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  3. sin^6theta+cos^6theta\ \ for all theta

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  4. (log)(sqrt(5))[2(s intheta-costheta)+3]\ for\ a l l\ theta

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  5. Statement I: t a n5theta-t a n3theta-t a n2theta=t a n5thetat a n3thet...

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  6. Statement 1 is True: Statement 2 is True; Statement 2 is a correct ...

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  7. Statement I: sec^2theta=(4x y)/((x+y)^2) is positive for all real valu...

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  8. Statement 1 is True: Statement 2 is True; Statement 2 is a correct ...

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  9. Statement 1 is True: Statement 2 is True; Statement 2 is a correct ...

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  10. The value of cos((2pi)/7)cos((4pi)/7)cos((6pi)/7) is a.-1//2 b. \ 1//...

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  11. The value of Pi(r=1)^(7)cos.(pi r)/(15) is

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  12. Prove that: s inpi/(14)s in(3pi)/(14)s in(5pi)/(14)s in(7pi)/(14)s in(...

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  13. Which of the following is correct?

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  14. Find the degrees and radians the angle between the hour hand and the ...

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  15. One angle of a triangle is (4x)/3 grades and another is 3x degrees, wh...

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  16. If in a Delta ABC, cot A + cot B + cot C = sqrt(3) . Prove that trian...

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  17. Length of E F is equal to- a.1+sqrt(3)-sqrt(6) b. \ 1+sqrt(3)-sqrt(2) ...

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  18. (log)(A E)((A C)/(C D)) is equal to a.sqrt(2) b. \ 1 c.\ 0 d. -1

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  19. Length of minor a r c(A C)i s- a.10pi b. \ 5pi c.\ 40\ pi/3 d. 20\ pi...

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  20. The value of (3-tan^2A)/(1-3tan^2A)+(3-tan^2B)/(1-3tan^2A)+(3-tan^2...

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