1
BITSAT 2020
MCQ (Single Correct Answer)
+3
-1
The equation $$(\cos \beta - 1){x^2} + (\cos \beta )x + \sin \beta = 0$$ in the variable x has real roots, then $$\beta$$ lies in the interval
2
BITSAT 2020
MCQ (Single Correct Answer)
+3
-1
The number of distinct solutions of the equation $${5 \over 4}{\cos ^2}2x + {\cos ^4}x + {\sin ^4}x + {\cos ^6}x = 2$$ in the interval [0, 2$$\pi$$] is
Questions Asked from Trigonometric Equations (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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