Question
If cos4 p - sin4 p =
src="https://static.ixambee.com/public/images/quesimg/Question Bank/Quantitative Aptitude/Trigonometry/86670_5335457.gif" alt="" /> , then the value of 2 cos2 p - 1 isSolution
cos4 p - sin4 p = 
(cos2 p + sin2 p)(cos2 p - sin2 p) = (cos2 p - sin2 p) = cos2 p - (1-cos2 p) = 2 cos2 p-1 =
25.11% of 239.99 + √143.97 ÷ 12.02 = ?
Direction: Please solve the following expression and choose the closest option
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
(23.99)2 – (17.99)2 + (1378.98 + 44.99) ÷ ? = 608
180.25 × 14.995 ÷ √26 = ? × 5.985
1784.04 - 483.98 + 464.98 ÷ 15.06 = ?3
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
3.934 - 124.07 + 35.94 + 12.83 of 4.85 - 84.76 ÷ √26 = ?3
The speed of the boat in still water is 20% less than the speed of the boat in downstream. The time taken by the boat to cover 780 km distance in upstre...
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