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Trig Ratios - Finding Angles

. Trig Ratios - Finding Angles. SOH CAH TOA. B. h yp. o pp. C. A. a dj. hyp. 10. B. 8. opp. 6. adj. C. SOH CAH TOA. A. Example 1: Determine the measure of Ð A. B. 8 cm. opp. tan A = 0.6154. 13 cm. C. A. adj. Ð A = tan -1 (0.6154). SOH CAH TOA.

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Trig Ratios - Finding Angles

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  1. Trig Ratios - Finding Angles

  2. SOH CAH TOA B hyp opp C A adj

  3. hyp 10 B 8 opp 6 adj C SOH CAH TOA A

  4. Example 1: Determine the measure of ÐA. B 8 cm opp tan A = 0.6154 13 cm C A adj ÐA = tan-1(0.6154) SOH CAH TOA ÐA = 31.6°

  5. Example 2:Determine the measure of ÐP. SOH CAH TOA R adjacent cos P = 0.70588 12 cm ÐP = cos–1(0.70588) Q 17 cm ÐP = 45.1° P hypotenuse

  6. R 8 cm Q P 4 cm Ex. 3:In DPQR, ÐQ = 90°, PR = 8 cm and PQ = 4 cm. Find R. hyp opp SOH CAH TOA

  7. Example 4: Determine the measure of ÐB B 3 cm adj A 5 cm C tan B = 1.6666 opp ÐB = tan-1(1.6666) SOH CAH TOA ÐB = 59.0°

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