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

a b c a b c 3 Decimal Places

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

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

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

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

a b c ENTER ALPHA D - F

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

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

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

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

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

a b c opp adj