SOLUTION: Evaluate: cos 120 degrees sin 280 degrees 20" tan 300 degrees

Algebra.Com
Question 909331: Evaluate:
cos 120 degrees sin 280 degrees 20" tan 300 degrees

Answer by lwsshak3(11628)   (Show Source): You can put this solution on YOUR website!
Evaluate:
cos 120 degrees=-0.5
sin 280 degrees 20"=sin 280.005556˚=-0.9848
tan 300 degrees=-√3
note: 1"=(1/3600)˚

RELATED QUESTIONS

Evaluate without using a calculator by using ratios in a reference triangle. (a) cos 120 (answered by lwsshak3)
Evaluate sin 390 degrees + cos (-45 degrees)-sin(-225... (answered by Mathtut)
Evaluate sin 0 degrees+cos 180 degrees-sin 270... (answered by stanbon,solver91311)
exact value of cos 300 degrees and sin 300... (answered by stanbon)
sin^2 87 degrees + cos^2 87 degrees... evaluate... (answered by jim_thompson5910)
cos200 degrees cos 20 degrees plus sin 200 degrees sin 20... (answered by fractalier)
Cos 30 degrees = Sin ???... (answered by mangopeeler07)
Use the CAST rule to state the sign of each value. Check using calculator. (a) tan 15... (answered by MathLover1)
Angels between 0 degrees and 90 degrees sin 150 degrees = sin ? sin 150 degrees = cos... (answered by stanbon)