XI_Maths_Trigonometrical Equations_3 Online Test

The number of all possible triplets (a1, a2, a3) such that a1 + a2 cos(2x) +a3sin2(x)=0 for all x is
zero
one
three
infinite
Which of the following number (s) is/are rational?
sin 15o
cos 15o
sin 15o cos 15o
sin 15o cos 75o
The minimum value of the expression sin ( + sin ( + sin (, where (, (,( are real numbers satisfying (+ (+(=( is
Positive
zero
negative
-3
/
If  then  (where ) ____.
None of the above
The set of values of x for which the expression  is ____.
The roots of the equation is ____.
None of the above
If  then ____.
The equation has ____.
One solution
Two solutions
Infinite solutions
No solutions
The number of solutions of the given equation  where is ____.
0
1
2
3
Description:

This test is based on AIEEE, IIT JEE for those students who studying in class XI

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