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NY,NY
 one year ago
Which trigonometric expression does not simplify to 1?
(see link)
NY,NY
 one year ago
Which trigonometric expression does not simplify to 1? (see link)

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Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.3well, let's try each answer one by one and see what we get, shall we?

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.3dw:1434685599699:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0help me please my question is at the top of the feed

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.3does that make sense?

NY,NY
 one year ago
Best ResponseYou've already chosen the best response.0I dont understand how cos^2/sin^2 became just cos^2.

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.3I distributed sin^2(x)

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.3dw:1434685846593:dw

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.3see how sin^2(x) cancels out?

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.3dw:1434685945486:dw

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.3dw:1434685962311:dw

NY,NY
 one year ago
Best ResponseYou've already chosen the best response.0Oh yes that makes more sense.

NY,NY
 one year ago
Best ResponseYou've already chosen the best response.0Thank you for explaining that.

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.3ok, so we know that #1 is not the right answer because we get 1 in the end

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.3let's move on to number 2

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.3dw:1434686053840:dw

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.3dw:1434686204867:dw

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.3does this make sense so far?

NY,NY
 one year ago
Best ResponseYou've already chosen the best response.0yes, because you used the Pythagorean identity at the end, right?

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.3yup! ok, we know that #2 is out, because we ended up with 1, so let's move on to #3

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.3dw:1434686335785:dw

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.3now, I believe #3 is the right answer, but let's check #4 just in case

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.3dw:1434686426089:dw

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.3dw:1434686523673:dw

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.3whew, that took a while, but do you understand everything so far? :)

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.3the important thing to remember, is that when you have csc, sec, cot, or tan, you can rewrite them in terms of cos or sin, which usually helps you cross things out and simplify :)

NY,NY
 one year ago
Best ResponseYou've already chosen the best response.0Im a little confused with the second step you took.

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.3can you tell me exactly which part is confusing?

NY,NY
 one year ago
Best ResponseYou've already chosen the best response.0the step that the arrow is pointing to dw:1434687552340:dw

NY,NY
 one year ago
Best ResponseYou've already chosen the best response.0Im confused how that concluded from the previous step, where you substituted the reciprocals.

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.3dw:1434687726888:dw

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.3which leaves me withdw:1434687748727:dw

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.3does it make it more clear? or is there something you're still unsure about?

NY,NY
 one year ago
Best ResponseYou've already chosen the best response.0Ok, yes that makes sense.

NY,NY
 one year ago
Best ResponseYou've already chosen the best response.0So that leaves us with choice 3.

NY,NY
 one year ago
Best ResponseYou've already chosen the best response.0Ok, thank you for helping.
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