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- 130-60-90across from 30 is 1. across from 60 is square root of 3. across from 90 is 2
- 245-45-90across from 45s is 1. across from 90 is square root of 2
- 3Pythagorean identitiessin^2 theta + cos^2 theta=1
tan^2 theta +1 = sec^2 theta
1+cot^2 theta= csc^2 theta - 4r=r= square root of x^2 +y^2
- 5Functionssin: y/r
cos: x/r
tan: y/x
csc: r/y
sec: r/x
cot: x/y - 6similar trianglesif a/b=c/d then ad=bc
- 7sin @ different angles0 degrees= 0
pi/6 or 30 degrees= 1/2
pi/4 or 45 degrees= square root of 2 over 2
pi/3 or 60 degrees= square root of 3 over 2
pi/2 or 90 degrees= 1 - 8cos @ dif angles0 degrees= 1
pi/6 or 30 degrees=square root of 3 over 2
pi/4 or 45 degrees=
pi/3 or 60 degrees= square root of 2 over 2
pi/2 or 90 degrees - 9tan @ dif angles0 degrees= 0
pi/6 or 30 degrees= square root of 3 over 3
pi/4 or 45 degrees= 1
pi/3 or 60 degrees= square root of 3
pi/2 or 90 degrees= undefined
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- FlashCards sobre Sem título, criado por HARPER PLOECKELMAN em 09-10-2024.
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- HARPER PLOECKELMAN
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