1
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
If $$0 < x < \pi $$ and $$\cos x + \sin x = {1 \over 2},$$ then $$\tan x$$ is :
2
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
Let $$\alpha ,\,\beta $$ be such that $$\pi < \alpha - \beta < 3\pi $$.
If $$sin{\mkern 1mu} \alpha + \sin \beta = - {{21} \over {65}}$$ and $$\cos \alpha + \cos \beta = - {{27} \over {65}}$$ then the value of $$\cos {{\alpha - \beta } \over 2}$$ :
If $$sin{\mkern 1mu} \alpha + \sin \beta = - {{21} \over {65}}$$ and $$\cos \alpha + \cos \beta = - {{27} \over {65}}$$ then the value of $$\cos {{\alpha - \beta } \over 2}$$ :
3
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
If $$u = \sqrt {{a^2}{{\cos }^2}\theta + {b^2}{{\sin }^2}\theta } + \sqrt {{a^2}{{\sin }^2}\theta + {b^2}{{\cos }^2}\theta } $$
then the difference between the maximum and minimum values of $${u^2}$$ is given by :
then the difference between the maximum and minimum values of $${u^2}$$ is given by :
Questions Asked from Trigonometric Ratio and Identites (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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