Friday, January 30, 2009

Trig Ratios SOH CAH TOA - 20:58

video

KEY CONCEPTS:

ONLY for RIGHT ANGLED TRIANGLES

SOH-CAH-TOA

SOH - sinA=opp/hyp
CAH - cosA=adj/hyp
TOA - tanA=opp/adj

Longest side of right angled triangles is called the HYPOTENUSE. Always found on the opposite side of the right angle of the triangle.

To find the angle use the inverse of the trig buttons on your calculator.

2 comments:

  1. WOW THANK YOU SO MUCH U DID WAY BETTER THATN MY MATH TEACHER!

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  2. My Math Teacher teaches me a very different Trigonometry Ratio. I really need help. my exams are next week.

    ReplyDelete