SOLUTION: Please help me with this problem. I need to solve the equation for solutions over the interval [0 degrees,360 degrees):
{{{ cos^2(x)=sin^2(x)+1 }}}
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Question 494838: Please help me with this problem. I need to solve the equation for solutions over the interval [0 degrees,360 degrees):
Answer by Gogonati(855) (Show Source): You can put this solution on YOUR website!
Substitute in our equation
=> =>
From the final equation we get: cosx=1 and cosx=-1. Solving this two equations we
get:1) cosx=1 => , and 2)cosx=-1 => , where
n=0, +-1, +-2, ...
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