Assertion: For projection angle `tan^(-1) (4)`, the horizontal and maximum height of a projectile are equal.
Reason: The maximum range of projectile is directly proportional to square of velocity and inversely proportional to acceleration due to gravity.
Options:
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false and R is also false.