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Trigonometrical Ratios Notes App Download & PDF e-Book - 117

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MCQ: 117

By expressing the cos 82° in terms of trigonometrical ratios, the answer will be

  1. − cos 89° = -0.2319
  2. − cos 29° = -0.8746
  3. − cos 38° = -0.7880
  4. − cos 98° = -0.1392
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