Chapter 7 Trig notes
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| Law of Sines | show 🗑
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| show | Only Applies to Angle Side Side case -Possible no solution, 2 solutions, or 1 solution. -To determine: Solve triangle ABC, find < prime (<') of smallest angle. -Angle prime= supplement of <. -If <A + <B + <' is = to 180 then triangle has two solutions.
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| show | Given 1 side: a^2=b^2+c^2-2bc(cosA) *b^2=a^2+c^2-2ac(cosB) *c^2=a^2+b^2-2ab(cosC)
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| show | S=1/2bc(sinA) S=1/2ac(sinB) S=1/2ab(sinC)
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| Area of Triangle (AAS or ASA & Area=S) | show 🗑
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| show | S=√s(s-a)(s-b)(s-c) where s=a+b+c/2
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| Vector Addition & Subtraction | show 🗑
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| show | If, Vector U=< ux,uy> and C=scalar (any real #) then, C(U)=C< ux,uy> or < C(ux),C(uy)> -Simply Mult. the cords by the scalar
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| Magnitude of Vector | show 🗑
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| show | U•V=ux(uy)+uy(vy)
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| Cosine Theorem | show 🗑
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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