SOLUTION: Solve this equation; find two values for t (II and III quadrant) 70=55-23cos{{{(2pi/365)}}}(t-30) I've tried to work this out for about an hour, but I keep getting different

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Question 1135889: Solve this equation; find two values for t (II and III quadrant)
70=55-23cos(t-30)

I've tried to work this out for about an hour, but I keep getting different answers. Any help would be greatly appreciated. Thank you in advance!

Answer by greenestamps(13200)   (Show Source): You can put this solution on YOUR website!








= 2.281245 (radians) to several decimal places

degrees
degrees

That's the answer in degrees for the angle in quadrant II.

For the angle in quadrant III...

= 4.00194 (radians)

degrees

degrees

ANSWERS (degrees): 162.52106; 262.4789

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