1) tg247° = -1.9143, sin125° = 0.8192Ответ: -1.9143 * 0.8192 = -1.5664
2) sin260° = -0.969, cos155° = -0.5736Ответ: -0.969 * -0.5736 = 0.5558
3) ctg215° = -0.4452, cos300° = 0.866Ответ: -0.4452 * 0.866 = -0.3858
4) sin247° = -0.9744, cos276° = 0.9999Ответ: -0.9744 * 0.9999 = -0.9744
1) tg247° = -1.9143, sin125° = 0.8192
Ответ: -1.9143 * 0.8192 = -1.5664
2) sin260° = -0.969, cos155° = -0.5736
Ответ: -0.969 * -0.5736 = 0.5558
3) ctg215° = -0.4452, cos300° = 0.866
Ответ: -0.4452 * 0.866 = -0.3858
4) sin247° = -0.9744, cos276° = 0.9999
Ответ: -0.9744 * 0.9999 = -0.9744