To simplify this expression, we need to first use the double angle identity for cosine:
cos(2a) = 2cos^2(a) - 1
So, we can rewrite the expression as:
(2sin^2(a) - 1) / (1 - 2cos(2a))
Substitute the double angle identity:
(2sin^2(a) - 1) / (1 - 2(2cos^2(a) - 1))
Expand and simplify the denominator:
(2sin^2(a) - 1) / (1 - 4cos^2(a) + 2)
Simplify further:
(2sin^2(a) - 1) / (3 - 4cos^2(a))
Now, we can simplify this expression further if needed based on the context provided or given conditions. Let me know if you need further assistance.
To simplify this expression, we need to first use the double angle identity for cosine:
cos(2a) = 2cos^2(a) - 1
So, we can rewrite the expression as:
(2sin^2(a) - 1) / (1 - 2cos(2a))
Substitute the double angle identity:
(2sin^2(a) - 1) / (1 - 2(2cos^2(a) - 1))
Expand and simplify the denominator:
(2sin^2(a) - 1) / (1 - 4cos^2(a) + 2)
Simplify further:
(2sin^2(a) - 1) / (3 - 4cos^2(a))
Now, we can simplify this expression further if needed based on the context provided or given conditions. Let me know if you need further assistance.