Question
__________ has bagged the ICAI Award for excellence in
financial reporting for the year 2020-21 in Public Sector Entities Category given by the Institute of Chartered Accountants of India (ICAI)?Solution
RailTel has bagged the ICAI Award for excellence in financial reporting for the year 2020-21 in Public Sector Entities Category. The award was given by the Institute of Chartered Accountants of India (ICAI), the premier accounting body which has been holding the annual competition for these awards since 1958.
- If cos θ = (4x² – 1)/(1 + 4x²) then find the value of sin q.

sin2 17˚ + sin2 19˚ + sin2 21˚ + sin2 23˚ + ……… + sin2 77˚ = ?
- If X = 15°, find the value of:
sin²(3X) + cos²(4X) - tan²(2X) If 7sin²θ + 3cos²θ = 4, then find the value of θ?
- In a triangle ABC, if 5∠A = 3∠B = 15∠C, then find the value of cosA + sin(C + 25 ° )
Find the exact value of cos120°
Find the value of the given trigonometric expression:
(sin 15°cos 75° + cos²15°) × sin 30° + (cos 60°tan 45°) × sec 60°
...[(sinx – 2sin 3 x)/(2cos 3 x – cosx)] 2  + 1, x ≠45 o , is equal to: