The number of solutions of -cos x-sin x- 0 - x - 4 - is

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Equations of the form acos?+bsin? = c

The number of...

Question

The number of solutions of $| cos x | = sin x, 0 \leq x \leq 4 π$ is

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None of these

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| c o s x | = s i n x, 0 \leq x \leq 4 π

2 cos X = | sin X |

0 \leq X \leq 4 π

The number of solution of the equation $s i n x + s i n 2 x + s i n 3 x = c o s x + c o s 2 x + c o s 3 x, 0 \leq x \leq 2 π$ is

2 c o s x - | s i n x |, 0 \leq x \leq 4 π

cos x = | 1 + sin x |, 0 \leq x \leq 3 π

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