![]()
|
1. sinx+-cosx与sinxcosx之间的转化.m4v
|
2025-03-22 20:33:09 |
11.13 MB |
|
![]()
|
2. sinx^2+cosx^2=1的妙用.m4v
|
2025-03-22 20:33:09 |
11.74 MB |
|
![]()
|
3. asinx+-bcosx与sinxcosx之间的转化.m4v
|
2025-03-22 20:33:09 |
10.17 MB |
|
![]()
|
4.计算进阶：正切式与齐次式.m4v
|
2025-03-22 20:33:09 |
14.28 MB |
|
![]()
|
5.证明同角三角恒等式.m4v
|
2025-03-22 20:33:09 |
13.18 MB |
|
