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59. Express cot 85° + cos 75° in terms of trigonometric ratios of angles between 0° and 45°.

59. Express cot 85° + cos 75° in terms of trigonometric ratios of angles between 0° and 45°.

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60787 Points
2 years ago
Answer: Explaination: cot 85° + cos 75° = tan (90° – 85°) + sin (90° – 75°) = tan 5° + sin 15°

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