Question

Uuuyo

26題求解🙏

25. AABC † , ZC = 90°, BC =10, sin A =
13
26. 若
1+ sinA = 7+4√3 sin A=
1-sin A
= √3/2
9
9
AC = tan A =
Cos 4 = +₁
tan A+ cos A =
?
27. 設/A為銳角,若²-deng dr+1-0有等根,1/4=60
9
4

Answer 1

✨ 最佳解答 ✨

Ny-Ålesund

看著很可怕 實際計算後其實還好