Solve the quadratic equation of x
(sin(2a)).x2 - 2.x.(sin(a)+cos(a)) +2 =0
Kindly explain your answer.
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Rewrite as and divide everything by 2:
Apparently this factors to .
Solve for x.
Last edited by richard1234; Aug 6th 2012 at 05:46 PM.
Thanks for it Richard. I appreciate it but I still don't get it. Can you explain it further?
What step don't you get?
In the substitution.
Trig identity, for all .
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