Question
Who was the Registrar General and Census Commissioner
of India for the 2011 Indian Census?Solution
C Chandramauli has been succeeded by Senior IAS officer Sailesh, who has been now appointed as Registrar General and Census Commissioner (RGCC) of India. His appointment was confirmed by Appointments Committee of Cabinet (ACC) headed by Prime Minister Narendra Modi. He has been appointed for a period till July 28, 2017.Â
- If cos2B = sin(1.5B - 36 o ) , then find the measure of 'B'.
If sin(x + y) = 1 and sin(x - y) = (1/2), then what is the value of sinx cosx + 2sin2y + cos2y?Â
cos (sec-1 x) is equal to –
If 2x = cosec @ and 4/x = cot @ then the value of 2(x ² - 1/x ² ) is


The minimum value of 9 cos2 θ + 36 sec2 θ isÂ
If (1+sinθ)/cosθ = x, then find the value of secθ?
1.Â
If (sinx + siny) = a and (cosx + cosy) = b, then find the value of (sinx siny + cosx cosy).
[A] (a²+b²-2)/ 2
[B] (a2-b2<...
- Find the value of sin²40° + sin²50° + cos²60° + cos²30°.