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If sin (10^(@) 6' 32'') = a , then the v...

If `sin (10^(@) 6' 32'') = a` , then the value of cos (`79^(@) 53' 28'')` + tan (`10^(@) 6' 32'')` is

A

`(a (1 + sqrt(1 - a^(2))))/(sqrt(1- a^(2)))`

B

`(1 + sqrt(1 -a^2))/sqrt(1-a^2)`

C

`(sqrt(1-a^2)+a)/(sqrt(1-a^2))`

D

`(asqrt(1-a^2 )+1)/sqrt(1-a^2)`

Text Solution

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The correct Answer is:
A
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