1.

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

Answer»

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

ANSWER :A


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