SOLUTION: evaluate sqrt((4+4cos2x/1-cos2x))

Question 1143230: evaluate sqrt((4+4cos2x/1-cos2x))
Answer by 4419875(21) (Show Source): You can put this solution on YOUR website!
Remember that:

and

Now before substituting any value, factor out first the numerator:

Then, now we take the square root of 4 and substitute the equivalent functions:

Solve the expression:
1.
2.
3. Now cancel out 2 and you may find the equivalent in the form of
4. Lastly get the sqrt of the expression
ANSWER:
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