Asked by Anonymous
Use the Sum and Difference properties to find the exact value of
sin 105°
sin 105°
Answers
Answered by
oobleck
sin(60+45) = sin60 cos45 + cos60 sin45
Now plug in those familiar values.
If you knew to use the sum formula, why didn't you just use it?
Now plug in those familiar values.
If you knew to use the sum formula, why didn't you just use it?
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