Practice: Trigonometric Ratios in Right Triangles

Find the main trigonometric ratios of ∠𝐵 given that 𝐴𝐵𝐶 is a right triangle at 𝐶, where 𝐴𝐵=30cm and 𝐵𝐶=18cm.

  • Asin𝐵=45, cos𝐵=35, tan𝐵=43
  • Bsin𝐵=35, cos𝐵=45, tan𝐵=34
  • Csin𝐵=45, cos𝐵=35, tan𝐵=34
  • Dsin𝐵=35, cos𝐵=45, tan𝐵=43
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