1
IIT-JEE 1998
MCQ (Single Correct Answer)
+2
-0.5
Which of the following number(s) is /are rational?
2
IIT-JEE 1998
MCQ (Single Correct Answer)
+2
-0.5
The number of values of $$x\,\,$$ in the interval $$\left[ {0,\,5\pi } \right]$$ satisfying the equation $$3\,{\sin ^2}x - 7\,\sin \,x + 2 = 0$$ is
3
IIT-JEE 1996
MCQ (Single Correct Answer)
+1
-0.25
$${\sec ^2}\theta = {{4xy} \over {{{\left( {x + y} \right)}^2}}}\,$$ is true if and only if
4
IIT-JEE 1995
MCQ (Single Correct Answer)
+2
-0.5
The minimum value of the expression $$\sin \,\alpha + \sin \,\beta \, + \sin \,\gamma ,\,$$ where $$\alpha ,\,\beta ,\,\gamma $$ are real numbers satisfying $$\alpha + \beta + \gamma = \pi $$ is
Questions Asked from Trigonometric Functions & Equations (MCQ (Single Correct Answer))
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