False , the value if tan 60° = √3= 1.73
True, The value of sec A increase from 1 to ∞.
False, Cos A is the abbreviation used for the cosine of angle...
Solution:
(i) It is not true, in general. This relation is true for some particular values of A and B.
For example, if A = 0 and B = 90,
Then, Sin (A+B)...
Solution:
True.
Justification:
At least one out of every three consecutive positive integers is divisible by 2.
Therefore, The product of three consecutive positive integers is divisible by 2.
At least one out of every...
Regular exercise always promotes healthy aging process. Getting older is a regular cycle of life. Regular exercise delays the changes which occur due to ageing. The role of regular exercise...
True, because n(n+1)(n+2) will always be divisible by 6, as least one of the factors will be divisible by 2 and at one of the factors will be divisible by...