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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता ११ वी

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

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प्रश्न

Find the value of :

cos 315°

बेरीज

उत्तर

cos 315° = cos (270° + 45°)

= sin 45°

= `1/sqrt(2)`

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Trigonometric Functions of Allied Angels
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Trigonometry - 2 - Exercise 3.2 [पृष्ठ ४२]

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