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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
SOHCAHTOA TOA CAH SOH The three trigonometric ratios for right angled triangles are considered here. Click on a box to select a ratio.
Algebra 2 Chapter 13 Right Angle Trigonometry. Trigonometry A B C Leg Opposite A Hypotenuse Leg Adjacent To A A SOH CAH TOA.
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Trigonometry Objectives: The Student Will … Find trigonometric ratios using right Triangles Solve problems using trigonometric ratios HOMEWORK: Sin, cos,
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Review of Trig Ratios 1. Review Triangle Key Terms A right triangle is any triangle with a right angle The longest and diagonal side is the hypotenuse.
Right Angle Trigonometry These relationships can only be used with a 90 o angle. SOH CAH TOA can be used to help remember the ratios A Adjacent Opposite.
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SOH CAH TOA Sin Cos Tan Side Angle Side Angle Side Angle SCT Side Angle Six Example with choice Introduction.
Introduction to Trigonometry Part 1. If you know 2 sides of a right triangle… You can find the third side. A ² + B² = C² B² = C² - A² A² = C² - B² A C.
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Get a calculator!. Trigonometry Trigonometry is concerned with the connection between the sides and angles in any right angled triangle. Angle.
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