The two curves y = 3 and y = 5 intersect at an angle
123.
The period of is
124.
If 3 cos x 2 sin x, then the general solution of is
(2n - 1)
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125.
If , then the value of , is equal to :
2
1
- 1
0
126.
The product of all values of 3/5 is :
1
127.
is equal to
128.
If , then the value of is
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129.
If in a AABC, (s - a)(s - b) = s(s - c) then angle C is equal to
90°
45°
30°
60°
130.
The length of the shadows of a vertical pole of height h, thrown by the sun's rays at three different moments are h, 2h and 3h. The sum of the angles of elevation of the rays at these three moments is equal to