HELP ME WITH SIN COSINE AND TAGENT PLEASE

[cloud wing]

I HAVE NO CLUE ON WHAT THIS IS PLEASE HELP

[severe dock]

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[brazen patrol]

i assume youre just learning about this for the first time

these describe the ratio between sides of a right angled triangle if you know an angle

[cloud wing]

yea

thx for help but i was doing wrong page

[brazen patrol]

oh

[cloud wing]

im doing like

45 45 90 right triangles

and sin cosine and tagent is like 6 pages after

[brazen patrol]

oh haha

[cloud wing]

yea

do u have any like tips for like finding sides for 45 45 90 triangles and stuff like that

[brazen patrol]

yea

[brazen patrol]

do you know the side length ratio

[topaz osprey]

yeah

the hypotenuse is √2 times a leg

i just got into this lol

and

in 30 60 90 triangles

one sec

oh

hypotenuse is 2 times the shortest leg

then the longer leg is √3 times the shortest leg

also

sin cos and tan

you can remember "soh cah toa"

sine(theta) = opposite/hypotenuse

cosine(theta) = adjacent/hypotenuse

oops

wrong thing

fixed it

tangent(theta) = opposite/adjacent

the hypotenuse is the hypotenuse

the opposite is the side not touching the angle theta

then the non-hypotenuse side touching the angle theta is adjacent

if you can only visualise the names of the sides in one direction

redrawing the sides in the way you know can be helpful

[topaz osprey]

then if one of the sides is the unknown in this, you can solve for it like this

(I'm going to use a Pythagorean triple to make this easier)

so we know that we need to use tangent

because we don't know the hypotenuse and aren't trying to solve for it

so

to set up the equation

you should do

tan(53.13)=x/3

(make sure if you're using desmos to put it in degrees instead of radians in settings)