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Find the approximate values of (i) sin 1...

Find the approximate values of (i) `sin 1^(@)` (ii) `tan 2^(@)`

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(i) `sin 1^(@)= sin (1^(@) xx (pi)/(180^(@))) = sin ((pi)/(180))~~ (pi)/(180)` (ii) `tan 2^(@) = tan (2^(@) xx (pi)/(180^(@)))= tan ((pi)/(90)) ~~ (pi)/(90)` (iii) `cos1^(@) ~~ 1`
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