1
IIT-JEE 2006 Screening
MCQ (Single Correct Answer)
+3
-0.75
The values of $$\theta \in \left( {0,2\pi } \right)$$ for which $$2\,{\sin ^2}\theta - 5\,\sin \theta + 2 > 0,$$ are
2
IIT-JEE 2005 Screening
MCQ (Single Correct Answer)
+2
-0.5
$$\cos \left( {\alpha - \beta } \right) = 1$$ and $$\,\cos \left( {\alpha + \beta } \right) = 1/e$$ where $$\alpha ,\,\beta \in \left[ { - \pi ,\pi } \right].$$
Paris of $$\alpha ,\,\beta $$ which satisfy both the equations is/are
Paris of $$\alpha ,\,\beta $$ which satisfy both the equations is/are
3
IIT-JEE 2004 Screening
MCQ (Single Correct Answer)
+2
-0.5
Given both $$\theta $$ and $$\phi $$ are acute angles and $$\sin \,\theta = {1 \over 2},\,$$ $$\cos \,\phi = {1 \over 3},$$ then the value of $$\theta + \phi $$ belongs to
4
IIT-JEE 2002 Screening
MCQ (Single Correct Answer)
+2
-0.5
The number of integral values of $$k$$ for which the equation $$7\cos x + 5\sin x = 2k + 1$$ has a solution is
Questions Asked from Trigonometric Functions & Equations (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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