Find the value of x?

If tan x = sin 450. Cos 450 + sin 300 then the value of x is

  1. 300
  2. 450
  3. 600
  4. 900
Manish Listener Asked on 18th July 2015 in Maths.
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  • 1 Answer(s)

    Answer: (2) 45o
    Explanation:-
    tan X = sin45o . cos45o + sin30o
    tan X = 1/sqrt.2 x 1/sqrt.2 + 1/ 2
    tan X = 1/2 + 1/2
    tan X = 1
    tan X = tan 45o
    then, X = 45o
    Hence, the answer is (2) 45o.

    Anurag Mishra Professor Answered on 18th July 2015.
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