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Principle Of Mathematical Induction

Question

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Solve the following equation, giving the general solution:

$4 space sinx space cosx space plus space 2 space sinx space plus space 2 space cosx space plus space 1 space equals 0$

Solution

Solution not provided.
Ans. $straight x equals 2 nπ plus-or-minus fraction numerator 2 straight pi over denominator 3 end fraction$

Some More Questions From Principle of Mathematical Induction Chapter

If in two circles, arcs of the same length subtend angles 60° and 75° at the centre, find the ratio of their radii.

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