Asked by jack
Find The Value Of (Sin 31) Using Approximation ?
Answers
Answered by
bobpursley
well, it depends on how accurate you wish. You know the sine of 30 degrees from memory, 1/2 .
If you want it more accurately,
sin(30+1)sin30cos1+ cos30*sin1
well, convert 1 degree to radians, approximately 1/60=.016
sin(30+1)=.5+.016=.516
and my calculator says it is .515
that assumes that cos1 appx=1, and sin.016appx=.016
If you want it more accurately,
sin(30+1)sin30cos1+ cos30*sin1
well, convert 1 degree to radians, approximately 1/60=.016
sin(30+1)=.5+.016=.516
and my calculator says it is .515
that assumes that cos1 appx=1, and sin.016appx=.016
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