1st PUC Mathematics Series-6

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PUC Science 1st Year Mathematics Series-6 quiz

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Created on By wefru

1st PUC Mathematics Series 6

TEST YOUR KNOWLEDGE OF SCIENCE

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Q.51 If cos t = 0.8, then cos (2 t) = ?

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Q.52 If tan x = 5, then tan (2 x) = ?

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Q.53 If cos t = 3/4, and sin t < 0, then sin (3 t) = ?

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Q.54 If cos t = 1/3 and 3π /2 < t < 2π in quadrant IV, then sin (4 t) = ?

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Q.55 If sin t = 1/5 and 0 < t < π/ 2, then cos (4 t) = ?

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Q.56 Find all angles θ such that -2π < θ < 2π and cos θ = √2 / 2

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Q.57 What is the base case for the inequality 7n > n3, where n = 3?

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Q.58 In the principle of mathematical induction, which of the following steps is mandatory?

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Q.59 For m = 1, 2, …, 4m+2 is a multiple of ________

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Q.60 For any integer m>=3, the series 2+4+6+…+(4m) can be equivalent to ________

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