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Asked by 27th August 2008, 9:19 PM
Answered by Expert
Answer:

we can write sin(100) =sin(90+10) = sin90 cos10 + cos 90 sin10 = cos10

since sin90 =1 and cos90 =0

so we have cos10 - sin10 which is positive since cosx > sinx if  x < 45

so sin100 - sin 10 is positive

Answered by Expert 8th September 2008, 6:19 PM
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