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how do I find the sin of a triangle

Mathematics
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I must correct it to '\(\sin\) of an angle'.
You find the opposite side of that angle, and then divide that by the hypotenuse in the given triangle.
And that, ma'am, is the way to find \(\sin\) given an angle.

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Other answers:

|dw:1343316228890:dw| just to make you feel easier ;)
|dw:1343316381359:dw|
What do you have to find the \(\sin\) of?
Sin of V
What is the side opposite to \(\angle V\)?
w
What is the length given?
72
Actually, 72 is not opposite to V. |dw:1343316700534:dw|
oh my bad.
Also, hypotenuse is the longest side. Note that the thing I told you applies only for right triangles.
okk ParthKohli
This is a useful mnemonic to remember fundamental trigonometric concepts. Classic: SOH CAH TAO Sin = Opposite side length / Hypotenuse side length Cosine = Adjacent side length / Hypotenuse side length Tangent = Opposite side length / Adjacent side length
Erm, it's SOH CAH TOA @dpflan
thanks
so would it be 21 over 75
Yeah!
okk thanks for your help
heh, right @ParthKohli, my mistake ;)
Oops! Sorry for tagging!
Edited: Classic: SOH CAH TOA Sin = Opposite side length / Hypotenuse side length Cosine = Adjacent side length / Hypotenuse side length Tangent = Opposite side length / Adjacent side length
so would cosX be 72/75
Um, no. \[\cos = {{\text{adjacent} \over \text{hypotenuse}} \Longrightarrow \cos X = ? } \]
Adjacent side is \(21\). Hypotenuse is the longest side i.e \(75\).
OK AND TAN X WOULD BE 21/72
Nope.
tan = opposite/adjacent
sin theta= perpendicular/hypatenus
@ali110 thanks
Some people have curly brown hair,they paint black some=sine people have=perpendicular(from people)/hypatenus(from have) so sine=perpendicular/hypatanus curly=cosine brown hair=base(from brown)/hypataneus(from hair) so cosine=base/hypatenus they=tan paint black=perpendicular(from paint)/base(from black) so tan=perpendicular/base whole trignometry in just in line!!!!!!!!!! hahahahaahaha @cerichards

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