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If tan 20^(@) = lambda , " then " (tan ...

If ` tan 20^(@) = lambda , " then " (tan 250^@ + tan 340^(@))/(tan 200^(@) - tan 110^(@))=`

A

`(1+ lambda^(2))/(1-lambda^(2))`

B

`(1- lambda^(2))/(1+lambda^(2))`

C

`(1+lambda^(2))/(2lambda)`

D

`(1-lambda^(2))/(2lambda)`

Text Solution

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-TRIGONOMETRIC RATIOS AND IDENTITIES -EXERCISE 1 A ( TRIGONOMETRIC FUNCTIONS)
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