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Unit 2 – Triangle Trigonometry Section 2.1 – Right Triangle Trigonometry Calculator Required

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a b c a b c 3 Decimal Places

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a b c OPP ADJ HYP a b c OPP ADJ HYP SOH - CAH - TOA

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Sides in A, B, C 3 Decimal Places Angles in D, E, F 3 Decimal Places

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a b c 6 STO ALPHA A 8 STO ALPHA B 90 STO ALPHA F A + B ENTER 10 STO ALPHA C 10

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a b c opp adj 2nd tan(A ENTER B STO AlphaD ENTER

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a b c 10 180 - ENTER ALPHA D - F

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a b c 7.13 STO ALPHA B 11.77 STO ALPHA C 90 STO ALPHA F C - B ENTER STO ALPHA A

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a b c opp hyp 2nd sin(B ENTER C 180 - ENTER ALPHA E - F

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a b c 8.12 STO ALPHA A 71.483 90 STO ALPHA F STO ALPHA E 180 - ENTER ALPHA E - F STO AlphaD ENTER

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a b c opp adj tan ENTER ALPHA A E STO AlphaB ENTER ALPHA A + B ENTER

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a b c 4.71 STO ALPHA B 38.483 90 STO ALPHA F STO ALPHA E 180 - ENTER ALPHA E - F STO AlphaD ENTER

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a b c opp adj

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