TVET CHNS,Eng,Maths
Senior High
Resolved
求解
A
在△ABC中,已知∠A=90°,∠C=30°,若D點為AB中點,則co
Icos∠ADC之值為何?
(A)
√√
√13
(B)
2
2√3
(C)
(D)
√√√13
√13
B 40°
A
b
Answers
Were you able to resolve your confusion?
Users viewing this question
are also looking at these questions 😉
謝謝❤️