If sec4θ – sec2θ = 3 then the value of tan4θ + tan2θ is ______.
Find the value of cos 20° ⨯ cos 40°⨯ cos 80° is _____
If the value of tanθ + cotθ = √3, then the value of tan6θ + cot6θ = ______.
A pole 6 m high casts a shadow 2√3 m long on the ground. At that instant, the angle of elevation of the sun is -
If a + b + c = 2s, then [(s – a)2 + (s – b)2 + (s – c)2 + s2] =
The ratio of ages of Rahul and his wife after 7 years from now will be 7 ∶ 6. If his wife was born 23 years ago, find the age of Rahul after 2 years?
5 men and 3 women together or 9 men can cultivate a land in 60 days. Then how many days 8 men and 9 women together cultivate the same land.
If the ratio of the ages of two friends A and B is 3 : 5 and that of B and C is 3 : 5 and the sum of the ages of all 3 friends is 147, how old is B ?
A, B, and C can complete a work in 40, 60, and 80 days respectively. They started working together. If A and B left 11 days and 8 days before the completion of work. In how many days they will complete the work.
Ram has to complete the project in 30 days. On each day he completes only 1/54 of the work this continues for 18 days. Find the share of the total work that has to be done by Ram each day from the 19th day to complete the project on time.