Something Something, related to Trig Ratios and the Unit Circle

[latent pier]

If Cotangent theta = -1, what is sine?

This was the question that I missed on my quiz because I didn't know how to answer it.

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[hybrid glen]

I'ma help ya out

I'll send a picture

[latent pier]

uhhh why do we have -sin^2theta

Maybe it is just something my teacher hasn't taught me yet

we didn't really go into depth with reciprocal trig ratios

Like this is all we got for learning material

[hybrid glen]

Apologies for the confusion

The -sin²θ comes from algebraically manipulating the equation cos/sin = -1

And then using the Pythagorean identity cos²θ+sin²θ=1, with plugging the value of cosine in

Or I'm sorry, it should be (-sinθ)²

Not (-sin²θ)

Then the rest follows

[latent pier]

+close

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@latent pier

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