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staticsformulasheet

# staticsformulasheet - HYP angle ADJ OPP C c angle a RIGHT...

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Unformatted text preview: HYP angle ADJ OPP C c angle a RIGHT TRIANGLE DEFINITION one angle is 900 of all the angles = 1800 INFO NEEDED TO SOLVE one side + one non-900 angle or two sides B b A OBLIQUE TRIANGLE DEFINITION no 900 angles of all the angles = 1800 INFO NEEDED TO SOLVE two sides + included angle or three sides or two angles + one side if given three angles, can only get relative side lengths GOVERNING EQUATIONS Law of Sines: GOVERNING EQUATIONS Pythagorean Theorem: SOH-CAH-TOA: c2 = a2 + b 2 OPP HYP ADJ cos = HYP OPP tan = ADJ sin = Also, note sin sin sin = = A B C Use if you have two angles + one side Law of Cosines: C2 = A2 + B2 - 2 AB cos or B = A + C 2 - 2 AC cos 2 2 tan = sin cos or A = C + B 2 - 2CB cos 2 2 Use if you have two sides + included angle or three sides ...
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