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Find the value of : cos 315° - Mathematics and Statistics

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प्रश्न

Find the value of :

cos 315°

योग

उत्तर

cos 315° = cos (270° + 45°)

= sin 45°

= `1/sqrt(2)`

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Trigonometric Functions of Allied Angels
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 3: Trigonometry - 2 - Exercise 3.2 [पृष्ठ ४२]

APPEARS IN

बालभारती Mathematics and Statistics 1 (Arts and Science) [English] 11 Standard Maharashtra State Board
अध्याय 3 Trigonometry - 2
Exercise 3.2 | Q 1. (iii) | पृष्ठ ४२

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