If an equivalent triangle is circumscribed about a circle of radius 10 cm, determine the side of the triangle.
A). 32.10 cm
B). 34.64 cm
C). 36.44 cm
D). 64.12 cm
34.64 cm
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1. A 13 m ladder is placed against a wall at a distance of 12 m from the foot of the wall. The same ladder is placed against a wall opposite to the previous wall, such that the upper end of the ladder touches the wall 7 m above the previous point. Find the distance between two walls. Given that the foot of the ladder is at the same position in both cases.
2. What is the value of$ Cot 60^{0} - Sec 30^{0}$?
3. If sin 330°= x, then the value of x is
4. If $sin\alpha + cos\alpha$ = 2 , $(0^{0} \leq \beta < \alpha \leq 90^{0})$,then $sin\left(\frac{2\alpha+\beta}{3}\right)$ =
5. The angle of elevation of the top of a tower from two points A and B lying on the horizontal through the foot of the tower are respectively $15^{0}$ and $30^{0}$ . If A and B are on the same side of the tower and AB 48 metre, then the height of the tower is :
6. An aeroplane when flying at a height of 5000m from the ground passes vertically above another aeroplane at an instant, when the angles of elevation of the two aeroplanes from the same point on the ground are $60^{0}$ and $45^{0}$ respectively.The vertical distance between the aeroplanes at that instant is
7. √$\frac{(cosec^{2}A - 1)}{cosecA}$
8. Find the value of (tan9° – tan27° – tan63° + tan81°).
9. Find the minimum value of 4 tan2θ + 9 cot2θ
10. What is the value of cot 11π/6?
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