1/cos290^@+1/(sqrt3 sin250^@)=...

`1/cos290^@+1/(sqrt3 sin250^@)=`

A

`1//sqrt2`

B

`3//sqrt2`

C

`4//sqrt3`

D

none of these

Verified by Experts

The correct Answer is:

C

1/cos290^@+1/(sqrt3 sin250^@)=
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2.The value of sin10+sin50+sin50 in sin250+sin250.sin10
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The greatest integer less than or equal to 1/(cos290^0)+1/(sqrt(3)sin2...
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(1)/(cos290^(@)+)(1)/(sqrt(3)sin250^(@))=
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(1)/(cos290^(@))+(1)/(sqrt(3)sin250^(@))=
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(1)/(cos290^(@))+(1)/(sqrt(3)sin250^(@)) is equal to
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((1)/(cos290^(@)))+((1)/(sqrt(3)sin250^(@)))=lambda then 3 lambda^(2)=
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sin10^(@)sin50^(@)+sin50^(@)sin250^(@)+sin250^(@)sin10^(@)=-(3)/(4)
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Find the value of expression (1)/(cos290^(@))+(1)/(sqrt(3)sin250^(@))
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