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Find the approximate values of (i) `sin 1^(@)` (ii) `tan 2^(@)` (iii) `cos 1^(@)`. |
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Answer» (i) `sin 1^(@)=sin(1^(@)xxpi/180^(@))=sin pi/180~~pi/180` (ii) `tan 2^(@)=tan(2^(@)xxpi/180^(@))=tan pi/90~~pi/90` (iii) `cos 1^(@)=cos(1^(@)xxpi/180^(@))=cos pi/180=1` |
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