Asked by Jesse
sin(70°)cos(10°) − cos(70°)sin(10°)
Answers
Answered by
drwls
Use the formula
sin (A-B) = sin A cos B - cos A sin B
In this case, A = 70 and B = 10 degrees.
You should know what the sin of 60 is.
sin (A-B) = sin A cos B - cos A sin B
In this case, A = 70 and B = 10 degrees.
You should know what the sin of 60 is.
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