Question
‘A’ and ‘B’ play a game where a coin is tossed 2
times. ‘A’ wins if both tosses give the same result. Find the probability that ‘A’ wins.Solution
Total number of outcomes = 2 2 = 4
Favourable outcomes = (HH), (TT) = 2 outcomes
Probability that ‘A’ wins = 2/4 = 1/2
Find the value of the given expression.
2 × (sec 60° – sin 30°)
If tan α = 1/2, tan β = 1/3, then find α + β.
- Calculate the value of sin120 o + cos180 o + tan225 o .
- From the top of a tower, the angle of depression to the top of a man's head is 60°. The man is 4 feet tall and is standing 20 feet away from the base of t...
if 8 sin 2 x + 3 cos 2 x = 4 then find tan x
If tan 4θ = cot 14θ, then find the value of cos 9θ.
If tan θ + cot θ = 2 where 0 < θ < 90 ; find the value of tan30 θ + cot 29 θ.
If sec(2A + B) = 2 and cos(A + B) = (1/√2) , find the value of {sec 2B + tan (A + B) } given that 0o < A, B < 90o
If 30sin4theta; + 45 cos4theta; = 18 . Then find the value of 216 cosec6theta; + 64 sec6