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Last edited by astrostar; March 8th 2008 at 09:47 AM.
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Hello, astrostar You're almost there . . . My answer so far: . . . . . . . . Good! We have: . Therefore: .
Originally Posted by astrostar Hi, Can you help me finish this equation off. The answer needs to be angles from 0 to 360degrees. 1 - 2 sin^2 E + cos^2 E = 0 My answer so far, 1 + sin^2 E + cos^2 E = 3 sin^2 E 2 = 3 sin^2 E Any help appreciated You were on the right track; just continue with what you were doing! You'll have to use your calculator for the last part!
Thanks for your help
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