SOLUTION: Evaluate sin(cos^-1(-6/7)) showing all steps as if you didn't have a calculator.
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Question 745827: Evaluate sin(cos^-1(-6/7)) showing all steps as if you didn't have a calculator.
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Evaluate sin(cos^-1(-6/7)) showing all steps as if you didn't have a calculator.
Check: with calculator
cos(x)=-6/7
x≈149º
sin(x)=sin(149)≈0.5150
exact ans: √(13/49)≈0.5150
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