Start learning 50% faster. Sign in now
We know that If tanA × tanB = 1 then A & B are complementary angles it means A + B = 90˚ tan 1˚ × tan 2˚× …………………….tan 88˚× tan 89˚ = (tan 1˚ × tan89˚) × (tan 2˚ × tan88˚) × …………………….(tan 44˚ × tan 46˚) × tan45˚ = 1 × 1 × ……………………………………………………………….. × 1 × 1 = 1
3 chairs and 2 tables cost Rs. 700 and 5 chairs and 3 tables cost Rs. 1100. What is the cost of 1 chair and 2 tables?
Find the average of first 7 whole numbers.
Find the mean proportion of 2.56 and 0.0324.
5 positive numbers are written on a piece of paper. Sum of first 3 numbers is 30 and ratio of the 4th and the 5th number is 2:3. If difference between t...
How many Zeros can be formed by multiplying 10×20×30×40×…………….× 3000
Find the number of Digits required to write down the number of Pages in a 500 page book?
Find the number that needs to be subtracted from 85 and 55 such that their ratio becomes 6:3.