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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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Section 1.4 Trigonometric Functions an ANY Angle Evaluate trig functions of any angle Use reference angles to evaluate trig functions.

Section 1.4 Trigonometric Functions an ANY Angle Evaluate trig functions of any angle Use reference angles to evaluate trig functions.

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