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How do I solve this?

How do I solve this?-example-1
User Sacho
by
8.7k points

1 Answer

2 votes

Answer:

All Real Numbers

Explanation:

I will be using x instead of θ as a variable:

1.)
1+tan^2x is equal to
sec^2x, so we can substitute
sec^2x for
1+ tan^2x.

2.) Now, since
csc^2x is equal to
(1)/(sin^2x), and
sec^2x is equal to
(1)/(cos^2x), we can just move
cos^2x to the numerator and
sin^2x to the denominator.
(cos^2x)/(sin^2x) is equal to
cot^2x

3.) Since we have
cot^2x =
cot^2x , the answer is All Real Numbers.

User CubeJockey
by
8.6k points

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