If tan θ + sec θ = (x – 2)/(x + 2), then what is the value of cos θ?
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A circle is inscribed in a square. If the length of the diagonal of the square is 14√2 cm, what is the area of the circle?
Consider the circle shown below having angle AOB as 135 deg and the shaded portion is the x part of the circular region. Calculate the value of x.
What is the simplified value of 1cosec A + cot A2 ?
The volume of a cuboid is 320 cubic cm. Find its total surface area if its length and breadth are 10 cm and 8 cm respectively?
An article was sold for Rs. 2100 at a profit of 25%. What is its cost price?
N invented Rs.20,000 in a business. Six months later, C joined him with Rs. 10,000. At the end of the year, the profit was Rs. 10,000. What should be the share of N?
The simple interest on a sum is 7/8 of the principal for 5 years. What is the rate (in percentage) of interest per annum?
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