Question
When is Pravasi Bharatiya Divas celebrated and what is
its significance?Solution
Pravasi Bharatiya Divas (PBD) is celebrated once every two years on January 9. This observance was established in 2003 during the tenure of Prime Minister Atal Bihari Vajpayee and serves as a platform to recognize and honor the significant contributions of the overseas Indian community towards the development of India. The day also marks the return of Mahatma Gandhi from South Africa to India, symbolizing the return of the Pravasi (expatriate) to their homeland.
If 8sin²x + 4cos²x − 6 = 0, then find the value of sinx, given that 0° < x < 90°.
- Find the value of sin²50° + sin²40°.
tan 4˚ × tan 43˚ × tan 47˚ × tan 86˚ = ?
If cos2B = sin(1.5B + 48o), then find the measure of 'B'.
sin2 4˚ + sin2 6˚ + sin2 8˚ + sin2 10˚ + ……… + sin2 86˚ =?
If asinx +b cosx = c then find the value of acosx - bsinx =?
Find the value of the given trigonometric expression:
(sin 25°cos 65° + cos²25°) × sin 30° + (cos 60°tan 45°) × sec 60°
...- Calculate the value of sin120 o  + cos180 o  + tan225 o .
Find the value of the given expression.
5 × (cos 60°)
If secθ + tanθ = 3+√10, then the value of sinθ+cosθ is