The value of cos 1 cos 2 cos 3 ... cos 180 is – McqOptions

MCQOPTIONS

1.	The value of cos 1 cos 2 cos 3 ... cos 180 is
A.	0
B.	1
C.	<table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center> <span style=" text-decoration: overline;">3</span></center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
D.	<table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td></tr><tr><td style="text-align: center;">2</td></tr></table>
Answer» B. 1

Discussion

No Comment Found

Related MCQs

The angles of elevation of an aeroplane flying vertically above the ground, as observed from the two consecutive stones, 1 km apart; are 45 and 60 aeroplane from the ground is :
If the angle of elevation of the top of a pillar from the ground level is raised from 30 to 60 , the length of the shadow of a pillar of height 50 3 will be decreased by
From a point P on a level ground, the angle of elevation to the top of the tower is 30 . If the tower is 100 metre high, the distance of point P from the foot of the tower is (Take 3 = 1.73)
Find the angular elevation of the Sun when the shadow of a 15 metre long pole is (15 / 3) metre.
If A is an acute angle and cot A + cosec A = 3, then the value of sin A is
If x = a sec and y = b tan then a -b = ?x y
The value of tan 11 tan 17 tan 79 tan 73 is
If sin + sin = 1, then the value of cos2 + 3 cos10 + 3 cos8 + cos6 1 is
If for any acute angle A, sin A + sin A = 1, then the value of cos A + cos4 A is
If 0 90 and 4 cos 4 3 cos + 3 = 0 then the value of is