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Mathematics 14 Online
OpenStudy (anonymous):

prove tan θ + csc θ/ sec θ= (sec θ) (csc θ)

hero (hero):

@Naberh00d, you still here?

OpenStudy (anonymous):

yeah can you answer my question

hero (hero):

I will HELP you with it.

hero (hero):

I will use x instead of theta for convenience. Is that okay?

OpenStudy (anonymous):

perfect

hero (hero):

\[\tan(x) + \frac{\csc(x)}{\sec(x)} = \sec(x)\csc(x)\]

OpenStudy (anonymous):

then we change tan to be sin x / Cos x

hero (hero):

First begin with the LHS: \[\tan(x) + \frac{\csc(x)}{\sec(x)}\]

hero (hero):

Change \(\tan(x)\) to \(\dfrac{\sin(x)}{\cos(x)}\): \[\dfrac{\sin(x)}{\cos(x)} + \frac{\csc(x)}{\sec(x)}\]

OpenStudy (anonymous):

alright keep it going now

hero (hero):

Next factor out \(\csc(x)\): \[\csc(x)\left(\frac{\sin(x)}{\cos(x)} \div \csc(x) + \frac{1}{\sec(x)}\right)\]

OpenStudy (anonymous):

why would you do that??

hero (hero):

I'll show you. But first, do you understand the result of factoring out \(\csc(x)\)?

OpenStudy (anonymous):

yeah but I don't think you need to factor it out

hero (hero):

Factoring out makes it easier to solve. Factoring helps to simplify expressions.

OpenStudy (anonymous):

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