HUNTERTUTORING

Answer Key — Law of sines and law of cosines

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Trigonometry · Honors

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Worksheets — Sets 1–10

| Set | Guidance | | --- | --- | | Set 1 | Law of sines and law of cosines — verify written work and accept reasonable drawings. | | Set 2 | Law of sines and law of cosines — verify written work and accept reasonable drawings. | | Set 3 | Law of sines and law of cosines — verify written work and accept reasonable drawings. | | Set 4 | Law of sines and law of cosines — verify written work and accept reasonable drawings. | | Set 5 | Law of sines and law of cosines — verify written work and accept reasonable drawings. | | Set 6 | Law of sines and law of cosines — verify written work and accept reasonable drawings. | | Set 7 | Law of sines and law of cosines — verify written work and accept reasonable drawings. | | Set 8 | Law of sines and law of cosines — verify written work and accept reasonable drawings. | | Set 9 | Law of sines and law of cosines — verify written work and accept reasonable drawings. | | Set 10 | Law of sines and law of cosines — verify written work and accept reasonable drawings. |

Worksheets — Sets 11–20

| Set | Guidance | | --- | --- | | Set 11 | Law of sines and law of cosines — verify written work and accept reasonable drawings. | | Set 12 | Law of sines and law of cosines — verify written work and accept reasonable drawings. | | Set 13 | Law of sines and law of cosines — verify written work and accept reasonable drawings. | | Set 14 | Law of sines and law of cosines — verify written work and accept reasonable drawings. | | Set 15 | Law of sines and law of cosines — verify written work and accept reasonable drawings. | | Set 16 | Law of sines and law of cosines — verify written work and accept reasonable drawings. | | Set 17 | Law of sines and law of cosines — verify written work and accept reasonable drawings. | | Set 18 | Law of sines and law of cosines — verify written work and accept reasonable drawings. | | Set 19 | Law of sines and law of cosines — verify written work and accept reasonable drawings. | | Set 20 | Law of sines and law of cosines — verify written work and accept reasonable drawings. |

Review tiers 1–10

  • Checklists are parent-judged.
  • Written items: verify against practice set patterns.
  • Standard text: Choose appropriate law for oblique triangles Solve triangles given SSA, SAS, or SSS Find area using trigonometry Apply to navigation and surveying problems

Practice test scoring

| Tier | Pass guidance | | --- | --- | | 1–3 | Most oral tasks smooth; majority of written correct | | 4–6 | 7/10+ total with clear understanding | | 7–8 | 9/12+ with explanations | | 9–10 | Near-perfect; ready to move on |

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