Question

упростить выражение cos(y−3π4)−√22sin(y)cos(y−3π4)−22sin(y).

Answer 1

Ответ:

Пошаговое объяснение:

cos(y−3π4)−√22sin(y)cos(y−3π4)−22sin(y)

cos(y−12п)−√22sin(y)cos(y−12π)−22sin(y)

cos(y−2*6п)−√22sin(y)cos(y−2*6π)−22sin(y)

cos(y) - √22 sin(y) cos(y)- 22 sin(y)