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( sin 70^(@) + cos 40^(@) )/( cos 70^(@)...

`( sin 70^(@) + cos 40^(@) )/( cos 70^(@) + sin 40^(@))=`

A

`3`

B

`sqrt(3) `

C

`1//sqrt(3) `

D

`1//2 `

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