What can I do?
Study Talk
Q&A
Notebooks
subjects
Tutoring Schools
Sign up
Sign in
My Account
Already have an account?
Forgot password?
Sign in
Clearnote
Q&A
Senior High
Mathematics
求救
Mathematics
Senior High
over 9 yearsago
訪客
求救
Answers
訪客
over 9 yearsago
這樣吧？
餘弦
訪客
over 9 yearsago
感謝非常感謝
Post A Comment
Login to post answer.
Login and Answer Question
Create New Account
Were you able to resolve your confusion?
Yes, all good!
Not really
Users viewing this question
are also looking at these questions 😉
Mathematics
Senior High
over 9 years
高一上，三角函數求解，詳細一點
Recommended
高中數學習題&詳解_三角函數基本概念
22
0
January
高中數學習題&詳解_三角函數性質與應用
21
0
January
三角函數
8
0
千尋 ちひろ
感謝非常感謝