filmov
tv
If cosA+sinA=√2 sinA, prove that cosA-sinA=√2 cos A
Показать описание
If cosA+sinA=√2 sinA, show that cosA-sinA=√2 cos A
cosa-sina 2 cosa-sina 2 is equals to
prove that (sina + coseca)2 + (cosa + seca)2 = 7 + tan2a + cot2a
sina+cosa=√2 then sina+cosa
cosa-sina=√2sina
√ 3 cosa sina √2
cosa-sina 2 cosa-sina 2 is equals to
prove that (sina + coseca)2 + (cosa + seca)2 = 7 + tan2a + cot2a
sina+cosa=√2 then sina+cosa
cosa-sina=√2sina
√ 3 cosa sina √2
0:06:46
0:04:59
0:07:42
0:03:40
0:07:49
0:04:47
0:00:15
0:05:44
0:04:12
0:04:35
0:01:40
0:08:11
0:00:56
0:07:26
0:06:02
0:01:37
0:00:59
0:00:41
0:02:08
0:14:12
0:00:21
0:05:22
0:02:04
0:03:38