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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता ११ वी

Find the value of sin 690°. - Mathematics and Statistics

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प्रश्न

Find the value of sin 690°.

बेरीज
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उत्तर

sin 690° = sin (720° – 30°)

= sin (2 × 360° – 30°)

= – sin 30°

= `- 1/2`

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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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