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The number of solutions of sin

^{7}x + cos^{7}x = 1, x$$\in$$ [0, 4$$\pi$$] is equal to2

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The number of solutions of the equation x + 2tanx = $${\pi \over 2}$$ in the interval [0, 2$$\pi$$] is :

3

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MCQ (Single Correct Answer)

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The number of roots of the equation, (81)

^{sin2x}+ (81)^{cos2x}= 30 in the interval [ 0, $$\pi$$ ] is equal to :4

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MCQ (Single Correct Answer)

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Out of Syllabus

All possible values of $$\theta$$ $$\in$$ [0, 2$$\pi$$] for which sin 2$$\theta$$ + tan 2$$\theta$$ > 0 lie in :

Questions Asked from Trigonometric Equations (MCQ (Single Correct Answer))

Number in Brackets after Paper Indicates No. of Questions

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