SOLUTION: Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula. 1 − cos(10θ)/ sin(10θ)

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Question 1157044: Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula.
1 − cos(10θ)/ sin(10θ)
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Not clear.
What is the numerator?