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Find the value of sqrt(cosec^(2) 45^(@) ...

Find the value of `sqrt(cosec^(2) 45^(@) - cot^(2) 45^(@))`

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(1 - cot^(2)45^(@))/(1 + cot^(2)45^(@)) =

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AGRAWAL PUBLICATION-SAMPLE PAPER 4-EXERCISE
  1. The perimeter of a tringle with vertices (0,4),(0,0) and (3,0) is

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  2. If radii of two concentric circles are 4 cm and 5 cm, then length of e...

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  3. Find the value of sqrt(cosec^(2) 45^(@) - cot^(2) 45^(@))

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  4. If tan x = sin45^(@) cos 45^(@) + sin 30^(@) then x is equal to

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