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x,y, be two positive acute angles , x+...

x,y, be two positive acute angles , `x+ylt90^(@)andsin(2x-20^(@))=cos(2y+20^(@))` then value of tan(x+y) is

A

`sqrt3`

B

`1 sqrt3`

C

1

D

`2+sqrt2`

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CHAMPION PUBLICATION-2016 TIER-II PAPER(16)-EXERCISE
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  2. DeltaABC is isosceles having AB = AC and angleA=40^(@) Bisectors PO an...

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  3. An equilateral triangle of side 6 cm is inscribed in a circle. Then ra...

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  5. Two chords AB and CD of a circle with centre O intersect at P. If angl...

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  6. If x tan 60^@+ cos 45^@ = sec 45^@ then the value of x^2+ 1 is यदि x...

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  7. x,y, be two positive acute angles , x+ylt90^(@)andsin(2x-20^(@))=cos...

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  8. If a^(2)sec^(2)x-b^(2)tan^(2)x=c^(2) then the value of (sec^(2)x+t...

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  9. The value of (1+sec20^(@)+cot70^(@))(1-"cosec"20^(@)+tan70^(@)) is...

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