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If tan ( alpha + beta) = sqrt(3), tan ( ...

If `tan ( alpha + beta) = sqrt(3), tan ( alpha - beta ) =1` then `tan 6 beta = `

A

-1

B

0

C

1

D

2

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AAKASH SERIES-TRIGONOMERTIC RATIOS-PRACTICE EXERCISE
  1. If cot theta + tan theta = 2 then cot^(n) theta + tan^(n) theta =

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  2. If cot ( alpha + beta) = 0 then sin ( alpha + 2 beta) =

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  3. If tan ( alpha + beta) = sqrt(3), tan ( alpha - beta ) =1 then tan 6 ...

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  4. If n is even then sin theta + sin ( pi + theta ) + sin (2 pi + theta) ...

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  5. sin 10^(@) + sin 20^(@) + sin30^(@) + .......sin 360^(@)=

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  6. cos 20^(@) + cos 40^(@) + cos 60^(@) +...+cos160^(@)+cos 180^(@)=

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  7. cos5^(@) + cos 24^(@) + cos 175^(@) + cos 204^(@) + cos 300^(@) =

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  8. cos. (pi)/(13) + cos. (5pi)/(13) + cos. (8pi)/(13) + cos. (12pi)/(13)=

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  9. cos. (3pi)/(19) + cos . (7pi)/(19) + cos. (12pi)/(19) + cos. (16pi)/(1...

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  10. tan. (pi)/(10) + tan. (3pi)/(10) + tan. (7pi)/(10) + tan. (9pi)/(10) ...

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  11. If alpha , beta are supplementary angles , then cos^(2)alpha + sin^(...

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  12. If ABCD is a quadrilateral then Sec^(2) ((A+B)/(4))- Cot^(2) ((C+D)/(...

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  13. If ABCD is a cyclic quadrilateral then co (180^(@) +A) + cos (180^(@)...

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  14. If alpha , beta are complementary angles , sin alpha = 3//5 , then s...

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  15. Prove that sin^(2)5^(@) +sin^(2)10^(@) + sin^(2)15^(@)+...+sin^(2)90^(...

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  16. cos^(2)5^(@)+cos^(2)10^(@)+cos^(2)15^(@)+.....+cos^(2) 90^(@)=

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  17. cos^(@)cos2^(@)cos3^(@).......cos179^(@)=

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  18. tan10^(@) tan 20^(@) tan 30^(@) tan 40^(@) tan 50^(@) tan 60^(@) tan 7...

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  19. [(Tan ( pi - x) Tan (1.5 pi + x))/(Cos^(2)(x-1.5pi))-(Cos(1.5pi + x))/...

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  20. If cos A = 3/4 then (2cos A + 3 sin A)/(4 cos A - sin A) =

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