Trigonometry
value of tanA .CotA
1
A ladder leans against a vertical wall. The top of the ladder is 8 m above the ground. When the bottom of the ladder is moved 2 m farther away from the wall, the top of the ladder rests against the foot of the wall. What is the length of the ladder?
17 M
What is the degree of zero polynomial ?
not defined
max value of sinx is -min value of cosx is ....?
1
The length of the common chord of two circles of radii 15 cm and 20 cm, whose centres are 25 cm apart, is
24 CM
value of x+1/x is always ...?
greater or equal to 2
tan2A -sec2A= ......?
-1
The area of the triangle whose vertices are (a, a), (a + 1, a + 1) and (a + 2, a) is
1
Minimum value of 4x +41-x is .............?
4
in triangle ABC if angle B is right angle then value of cos (A+C) is ...........?
0
if each side of triangle is become triple then how much percent area will be increased ?
700 %
On article E shopkeeper earn 50 Rs. which is 20% of C.P. what is the difference between cost price and mark price of article.
230
1 degree is equal to how many minutes ?
60
Number of diagonals of a polygon having sides 12 ?
54
A train crosses a bridge and a platform of length 450 m and 700 m in 20 sec and 30 sec respectively. Find the speed of the train.
25 M/sec