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If (3-4sin^2 1)(3-4sin^2 3)(3-4sin^2 3^2...

If `(3-4sin^2 1)(3-4sin^2 3)(3-4sin^2 3^2)(3-4s in 62\ (3^(n-1)))=s in a//s in b ,` where `n N\ &\ a ,\ b` are integers in radia, then the digit at the unit place `(a+b)` may be- a.`4` b. `\ 0` c.8 d. 2

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ALLEN-TRIGONOMETRIC RATIOS AND IDENTITIES-All Questions
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  3. If (3-4sin^2 1)(3-4sin^2 3)(3-4sin^2 3^2)(3-4s in 62\ (3^(n-1)))=s in ...

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  4. "cosec" 10^(@) - sqrt(3) " sec" 10^(@) =

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  5. Evaluate 4\ cos\ 20^0\ -sqrt(3)\ cot\ 20^0\ =

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  6. Evaluate (2cos 40^0-cos 20^0)/(sin 20^0)=

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

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

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

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

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

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

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