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October 23, 2014

Homework Help: trigonometry??

Posted by Anon on Wednesday, January 26, 2011 at 12:08am.

Did I do this right????

Express the following in degrees,minutes, and seconds:

a.4 --> (180/pi)*4 = 229.18312

b.0.23 --> (180/pi)*0.23 = 13.17803

c.pi(3.14159)/6 --> (180/pi)*(pi*3.14156/6) = 94.24778

d.3*pi/2 --> (180/pi)*(3pi/2) = 270

e.-1.4 --> (180/pi)*-1.4 = -80.21409

f.9.6 --> (180/pi)*9.6 = 550.03948

convert to degrees minutes and seconds I did the following:

229.18312 = 229 + (0.18312*60) = 229 degrees + 10.9872' = 229 deg 10' + (0.9872*60)" = 229 deg 10' + 59.2"

13.17803 = 13 degrees + (0.17803*60)' = 13deg 10' + 0.6818*60" = 13deg 10' 40.9"

94.24778 =94 degrees + (0.24778*60)' = 94deg 14' + 0.8668*60" = 94deg 14' 52"

270 = 270 degrees

-80.21409 = -80 degrees + (0.21409*60)' = -80deg 12' +
0.8454*60" = -80deg 12' 50.7"

550.03948 = 550 degrees + (0.03948*60)' = 550deg 2' + 0.3688*60" = 550deg 2' 22.1"

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