Two cars travel from city A to city B at a speed of 42 and 60 km/hr respectively. If one car takes 2 hours lesser time than the other car for the journey, then
the distance between City A and City B is:
1). 336 km
2). 280 km
3). 420 km
4). 224 km
1. The value of $sin^{2}65^{0} + sin^{2}25^{0} + cos^{2}35^{0} + cos^{2}55^{0}$ is
2. The distance between the points (2, 7) and (k, -5) is 13. What is the value of k?
5. What is the simplified value of sin2(90 – θ) – [{sin(90 – θ)sin θ}/tanθ]?
7. 1 + tan²2θ =
8. If sinA = 3/5 and 0 < A < π/2 and 27cotA.cos2A = psin2A, then find the value of p.
9. ΔDEF is right angled at E. If ∠F = 45°, then what is the value of 2 Sin F x Cot F?