Ответ: величина 1 румба в градусах равна
sin 2 2
tan 80° 1
cos 0 1
sin 30° 1
tan 42° tan 43° tan 44° tan 45° tan 46° tan 47° tan 48° =
Найдите
Ответ:
sin2 x + cos2 x =
sin2(x + 40°) + cos2(x + 40°) =
sin2 5x + cos2 5x =
cos2(x + π) + sin2(x + π) =
cos x tan x =
cos 4x tan 4x =
1 + tan2 2x =
1 + tan2 60° =
1 + tan2 45° =
sin2 4x (1 + tan2 4x) =
cos2 x – sin2 x, если cos x = 0,25
Ответ: cos2 x – sin2 x =
cos2 x, если tan x = 12
Ответ: cos2 x =
tan2 x, если cos x = 0,75
Ответ: tan2 x =
sin x, если cos x = 1,5
Ответ: sin x =
cos x, если sin x = 0,02 и 90° < x < 180°
Ответ: cos x =
tan x, если cos x = –0,4 и 180° < x < 270°
Ответ: tan x =
sin x, если tan x = 7 и 180° < x < 270°
Ответ: sin x =
tan x, если sin x = 0,8 и 0° < x < 90°
Ответ: tan x =
Ответ: величина 1 румба в градусах равна
sin 2 2
tan 80° 1
cos 0 1
sin 30° 1
sin x = 0,9736, 0° < x < 90°
Ответ: x =
sin x = –0,4105, 270° < x < 360°
Ответ: x =
cos x = 0,0172, 0° < x < 90°
Ответ: x =
cos x = –0,555, 90° < x < 180°
Ответ: x =
cos x = 3,675, 0° < x < 90°
Ответ: x =
tan x = –6,911, 270° < x < 360°
Ответ: x =
tan 42° tan 43° tan 44° tan 45° tan 46° tan 47° tan 48° =
Найдите
Ответ:
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