If 0 < x < π/2 And Sinn x + Cosn x ≥ 1 Then:

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SIMILAR QUESTIONS

Q1

Let 2sin²x + 3 sin x – 2 > 0 and x² – x – 2 < 0 (x is measured in radian). Then ‘x’ lies in the internal.

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Q2

The number of points of intersection of the two curves y = 2 sin x and y = 5x² + 2x + 3 is:

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Q3

The number of all possible triplets (a₁, a₂, a₃) such that

a₁ + a₂ cos 2x + a₃ sin²x = 0 for all x is:

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Q4

The equation sin⁴x – (k + 2) sin²x – (k + 3) = 0 possesses a solution if:

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Q5

where

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Q6

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Q7

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Q8

is where x^o denotes the degrees:

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Q9

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Q10

If the mapping of f (x) = ax + b, a < 0 maps [–1, 1] onto [0, 2], then for all values of θ, A = cos²θ + sin⁴θ is:

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