11th Class Math MCQS
A triangle have ______ elements
Five
Three
Four
Six
Cos-1x=
?/2 -1sin x
?/2
sin-1x – ?/2
?/2-sin-1x
The inverse of a function of function if:
All of these
The function is one to one
The function
The function is into
The graphs of trigonometric function will be:
Line segments
Smooth curve
None of these
a & b both
Every horizontal line between the lines y = ± 1 intersects the graph
Once
Finitely many times
Twice
Infinitely many time
The period of 3 cos x/5 is
?
10?
2?
5?
sin x = 1/2 then x =
-?/6
-5?/6
-?/6, -5?/6
?/6. 5?/6
Domain of principal cot function y = cot x is:
-?/2<x<?/2
-?/2 ? x ? ?/2
0 < x < ?
-? < x < ?
The reference angle of tang? = -1 equals:
-?/4
?
-?
?/4
The center of ex-circle is called
Ex-center
In-center
Circum center
Center
Continue Reading Go to Next Page