Решить тригонометрические уравнения
| 1 | ( 2 sin x − 1 ) (√− cos x + 1 ) = 0 | 2 | 2 sin x + tg x = 0 |
| 3 | (2 sin x − cos x)·(1 + cos x) = sin ² x | 4 | 4 cos ³ x − 4 cos ² x − cos (π + x) − 1 = 0 |
| 5 | 1 + sin x cos 2x = sin x + cos 2x | 6 | ![]() |
| 7 | ![]() |
8 | sin4x = 1 − cos4x |
| 9 | √3 sin x − tg x + tg x·sin x −√3 = 0 | 10 | cos 2x + 3 sin x = 2 |
| 11 | cos x + sec x = 2 | 12 | 1 + cos x + cos 2x = 0 |
| 13 | 6 cos2x + 5 sin x − 7 = 0 | 14 | cos x + 2 cos 2x = 1 |
| 15 | 2 cos ² x + 4 cos x = 3 sin ² x | 16 | 4 sin4 x + 12 cos2 x = 7 (Решение) |
| 17 | 5 tg4 x − sec4 x = 29 | 18 | cos 4 x + 2 cos2 x = 0 |
| 19 | sin4 x + cos4 x = cos 4 x | 20 | sin x + cos x = 0 |
| 21 | cos 2x − 3 sin x·cos x = sin (3π/2) | 22 | 3 sin 2 x − 2 sin x·cos x − cos 2 x = 0. |
| 23 | cos2x + 2√2 cos x sin x + 1 = 0 | 24 | sin 2 x ( 1 + tg x ) = 3 sin x ( cos x − sin x) + 3 |
| 25 | sin 3 x + sin x = sin 2 x | 26 | 1 − sin 2 x = cos x − sin x |
| 27 | ![]() |
28 | 4 sin 2 x − 3 sin ( 2 x − ) = 5 |
| 29 | ![]() |
30 | ![]() |
| 31 | ![]() |
32 | cos 2х − cos 8x + cos 6x = 1 |
| 33 | sin x + sin 2x + sin 3x = 0 | 34 | sin x + sin 2x + sin 3x + sin 4x = 0 |
| 35 | tg 3x − tg x = 0 | 36 | √3 sin 2x + cos 5x − cos 9x = 0 |
| 37 | ![]() |
38 | sin х + sin 2x + sin 3х = cos x + cos 2x + cos 3х |
| 39 | cos 3x + sin 5x = 0 | 40 | cos 3x + sin ( 9x + 2 ) = 0 |
| 41 | ![]() |
42 | sin x + cos x = √2 sin 5x |
| 43 | ![]() |
44 | ![]() |
| 45 | cos 3x + sin x sin 2x = 0 | 46 | 1 + 2 cos 3x cos x − cos 2x = 0 |
| 47 | 2 cos x sin 3x = sin 4x + 1 | 48 | sin x·sin 7x = sin Зx·sin 5x |
| 49 | cos x cos Зх = cos 5х cos 7x | 50 | sin x sin 3x = 1/2 |
| 51 | sin2x + sin22x + sin23x + sin2 4x = 2 | 52 | cos Зх tg 5х = sin 7x |
| 53 | ![]() |
54 | sin 2x sin 6x = cos x cos Зх |
| 55 | sin 5x + sin x + 2 sin2x = 1. | 56 | cos ²2x + cos ² 3x = 1 |
| 57 | sin 4(x/3) + cos 4(x/3) = 5/8 | 58 | sin 4(x/2) − cos 4(x/2) = 1/4 |
| 59 | sin 4x + cos 4 x = sin x·cos x | 60 | tg x + sin ( π + x) = 2 sin ² (x/2) |
| 61 | sin ² x + sin ² 2x − sin ² 3x − sin ² 4x = 0 | 62 | sin ² x + sin ² 2x + sin ² 3x = 3/2 |
| 63 | sin x sin 2x + cos ² x = sin 4x·sin 5x + cos ² 4x | 64 | ![]() |
| 65 | ![]() |
66 | 2 cos 4 x − 2 cos 2 x = 4 cos² x − 1 |
| 67 | 2 cos² x − 1 = sin 3 x | 68 | tg ( x/2) = 1 − cos x |
| 69 | 3 + 5 sin 2 x = cos 4 x | 70 | ( 1 + cos 4 x)·sin 2 x = cos ² 2 x |
| 71 | sin x − 2 cos 2 x = 1 | 72 | ![]() |
| 73 | cos 2x − 3 cos x = 4 cos² (x/2) | 74 | 4 cos x − 2 cos 2x − cos 4x = 1 |
| 75 | ![]() |
76 | sin ³ x − cos ³ x = 1 + sin x·cos x |
| 77 | sin 4x + cos 4x = sin 2x - 0,5 | 78 | ![]() |
| 79 | sin 2x = cos 2x − sin ² x + 1 | 80 | ( cos 2x − 1)·ctg² x = − 3 sin x |
| 81 | ![]() |
82 | ![]() |
| 83 | cos 3x − cos 2x = sin 3x | 84 | (sin 7x + cos 7x) ² = 2 sin ² 11x + sin 30 x |
| 85 | sin 3x − 4 sin x·cos 2x = 0 | 86 | sin ²x·tg x + cos ²x·ctg x − sin 2x = 1 + tg x + ctg x |
| 87 | ![]() |
88 | sin4x + cos4x −2 sin 2x + 0,75·sin22x = 0 |
| 89 | ( cos 6x − 1) ctg 3 x = sin 3 x | 90 | ![]() |
| 91 | ( 1 − sin 2x) (cos x − sin x) = 1 − 2 sin ² x | 92 | ![]() |
| 93 | sec x + cosec x = 2√2 | 94 | ![]() |
| 95 | ![]() |
96 | 3 (сos x − sin x ) = 1 + cos 2x - sin 2x |
| 97 | sin x − cos x = 1 | 98 | 3 sin x = 2 ( 1 − cos x) |
| 99 | cos ² x − 2 cos x = 4 sin x − sin 2 x | 100 | ![]() |
| 101 | tg x + tg 2x + tg 3x = 0 | 102 | cos 9x − 2 cos 6x = 2 |
| 103 | ![]() |
104 | ![]() |
| 105 | cos 2x − cos 8x + cos 6x = 1 | 106 | ![]() |
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108 | ![]() |
| 109 | 2√2 (sin + cos x)·cos y = 3 + cos 2y | 110 | ![]() |
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116 | |
| 117 | 118 | cos 2x − 5 sin x − 3 = 0 | |
| 119 | 120 | cos 3x − 18 cos x + 10 = 0 | |
| 121 | 5 sin x = sin 3x | 122 | 8 cos 6x cos 3x − cos 9x − cos 3x = 0 |
| 123 | sin2x − 4 sin x cos x + 3 cos2x = 0 | 124 | 3 sin x cos x + 2 cos2x = 0 |
| 125 | ![]() |
126 | 7 sin2x − 5 sin x cos x − cos2x = 0 |
| 127 | sin2x + 3 sin x cos x + 2 cos2x = 1 | 128 | sin x − cos x = 1 |
| 129 | 4 sin3x − 5 sin2x cos x + sin x = cos3x | 130 | 2 sin3x + sin 3x + 3 sin2x cos x + cos3x = 0 |
| 131 | 3 (cos x − sin x) = 1 + cos 2x − sin 2x | 132 | sin 3x = cos 5x |
| 133 | sin 2x sin 6x = cos x cos 3x | 134 | cos 3x = cos 5x |
| 135 | sin x sin 3x + sin 4x sin 8x = 0 | 136 | sin 3x − sin 7x = 3 sin 2x |
| 137 | cos 5x + cos 6x + cos 7x = 0 | 138 | сos 9x − cos 7x + cos 3x − cos x = 0 |
| 139 | ![]() |
140 | sin x − cos x = √2/2 |
| 141 | 2 sin x + 5 cos x = √29 sin 7x | 142 | ![]() |
| 143 | cos 4x + 2 cos2x = 2 | 144 | sin x + cos x = sin 2x |
| 145 | ![]() |
146 | sin4x + cos4x = 7/8 |
| 147 | ![]() |
148 | cos23x + cos24x + cos25x = 3/2 |
| 149 | ![]() |
150 | ![]() |
| 151 | ![]() |
152 | 2 sin x + 2 cos x + 1 = sin 2x + 4 (sin3x + cos3x) |
| 153 | (cos x + 1) ctg x = sin 2x | 154 | ![]() |
| 155 | ![]() |
156 | ![]() |
| 157 | (sin 2x + sin 4x)·tgx = 0 | 158 | ![]() |
| 159 | ![]() |
160 | 3 sin x − 2 cos x = 2 |
| 161 | 8 cos x + 6 sin x − cos 2x − 7 = 0 | 162 | 5 sin 2x − 5 cos 2x = tg x − 5 |
| 163 | 2 (1 − cos 2x) = √3 tg x | 164 | ![]() |
| 165 | cos x·cos y = 0 | 166 | cos x + cos y = 0 |
| 167 | ( 2 cos x + 1 ) ( √5− sin x − 1 ) = 0 | 168 | ( sin x − 1)·( 2 cos x + 1 )· √ tg x = 0 (Решение) |
| 169 | 2 cos x·√− sin x + √− sin x − 2 cos x − 1 = 0 | 170 |
Группа С 1
| 1 | cos x + cos 3 x = 0 | 2 | sin x·cos 4 x = − 1 |
| 3 | sin 2 x = cos x, ![]() |
4 | ![]() |
| 5 | sin22x + sin23x = 1, x |
6 | cos x·cos 5 x = 0. |
| 7 | ( 2 sin x + 1 )·( 2 sin x − √3 ) = 0, если cos x > 0. | 8 | ctg 3 x·sin 6 x − cos 6 x − cos 12 x = 0, x |
| 9 | arccos2x − 8 arccos x + 15 = 0 | 10 | 2 sin4x −sin2x − 1 = 0. |
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20 | ![]() |
| 21 | log2(sin x ) = log2( − cos x ) | 22 | log2(− sin x ) + log2( cos x ) = −2 |
| 23 | | cos x | = √3·sin x | 24 | | cos x | = cos x + 2 sin x |
| 25 | 7 | cos x | − 4 cos x = 3 | sin x | + 2 sin x | 26 | |
| 27 | arccos (x2 − 3) = arccos (x − 3) | 28 | arccos x = arcsin 2x |
| 29 | ![]() |
30 | ![]() |
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32 | ![]() |
| 33 | 2 cos2x + 5 sin x + 1 = 0 | 34 | Найти сумму корней уравнения ( ctg x + 1)·(sin x − 1) = 0, принадлежащие промежутку [ − 50°; 350°]. |
| 35 | Найти сумму корней уравнения ( tg x + √3)·sin 2x = 0, принадлежащие промежутку [ − 100°; 300°]. |
36 | sin x = −√2/2, если cos x > 0. |
| 37 | cos x = −1/2, если sin x > 0 | 38 | ( √2 sin x + 1 )·(2 sin x − 3 ) = 0, если tg x < 0 |
| 39 | 40 | ||
- Найти все пары чисел ( х, у ), для каждой из которых выполнено равенство
. - При каких значениях а уравнение
имеет решение? - Решить систему уравнений

- Решить систему уравнений

- Решить систему уравнений

- Решить систему уравнений

- Решить систему уравнений




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