nd thev – InterviewSolution

1.

nd thev

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sin(105) = sin(60+45) = sin60cos45+cos60sin45= √3/2*(1/√2)+1/2*(1/√2)= (√3+1)/2√2

similarly cos(105) = cos(60+45) = cos60cos45-sin60sin45= 1/2*(1/√2) -(√3/2)(1/√2)= (1-√3)/2√2

tan105 = sin105/cos105 = √3-1/1-√3

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