Finding Side Lengths of a Triangle

[nycmathguy]

Section 4.3

 

[MathLover1]

perfect

 

[nycmathguy]

perfect

I got all of these right but so many wrong when using the calculator. I don't get it.

 

[MathLover1]

I got all of these right but so many wrong when using the calculator. I don't get it.

when using the calculator (example wolfram) , if angle in degrees, make sure it check if calculates degrees or radians

 

[nycmathguy]

when using the calculator (example wolfram) , if angle in degrees, make sure it check if calculates degrees or radians

That's what I did wrong. It must calculate in radians.