Question
If tan 15° = 2 –√3, what is the value of tan 15º cot 75°+ tan 75º cot 15°.
More Previous year papers Questions
- A farmer traveled a distance of 61 km in 9 hours. He traveled partly on foot at the rate of 4 km per hour and partly on bicycle at the rate of 9 km per hou...
- What is the remainder of function 4a³–12a² +14a–3 when divided by (2a-1)?
- The average of 20 numbers is 32. If two numbers are 29 and 31, then what is the average of the remaining numbers (correct up to two decimals)?
- If at same rate of interest, in 2 years, the simple interest is ₹42 and compound interest is ₹51, then what is the principal (in ₹)?
- A shopkeeper earns a profit of 12% on selling a book at 10% discount on the printed price. The ratio of the cost price to the printed price is:
- If the surface area of two spheres is in the ratio 81 : 25, then what is the ratio of their radius.
- The measures of the three angles of a triangle are in the ratio 17 : 13 : 15. Find the positive difference between the greatest and the smallest of these t...
- 2 liters of a liquid having milk and water in the ratio 3: 2 is mixed with 3 liters of a liquid having milk and water in the ratio 2 : 3. Find the ratio of...
- A car is available for ₹ 4.98.200 cash or ₹ 60,000 cash down payment followed by three equal annual instalments. If the rate of interest charged is 16% p.a...
- A lawn in the shape of a rectangle has an area of 7260 m² and its sides are in the ratio 5: 3. Its perimeter is equal to the perimeter of a circular garden...
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
