Find the value of tan29°11'.
(Refer the trigonometric table for the values)

0.5585

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0.8555

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0.5635

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0.6123

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Solution

The correct option is A 0.5585
We can write,
29°11' = 29°6' + 5'
From the table we have, tan29°6' = 0.5566
Mean difference for 5′ = 19

tan29°6' = 0.5566
5′ = + 19 (Mean difference to be added for tan)
____________________
tan29°11' = 0.5585

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