Question
Which of the following is/are true at equilibrium in a
perfect competition? (1) MR = MC (2) AC = MC = AR = MR (3) MC is fallingSolution
The correct answer is B
- Find the value of sin²12° + sin²78° + cos²24° + cos²66°.
If 1 + sin 2θ = p2 and sin3 θ + cos3 θ = q then Which of the following is true ?Â
1. q3 – 2p + ...
- Simplify the following trigonometric expression:
13cos 63 o cosec 27 o  - 5cot 56 o cot 34 o Simplify: sin 780° sin 480° + cos 120° sin 30°
If α means +, β means -, ɣ means x, θ means ÷ then 30 θ 10ɣ 5α 10β20 is
If 'θ' is an angle less than 120°, what is the value of 'θ' if it satisfies the equation 3cos2θ = 2 + sin2θ.
...Find the exact value of cos120°
If cosec2A = (sin60o + tan45o X sec245o), then find the value of sin2A.
If SecA + TanA = 2√2 + 9, then find the value of Sin A + Cos A.