题目
平面x+sqrt(26)y+3z-3=0与xoy面夹角为( ).A. (pi)/(6)B. (pi)/(4)C. (pi)/(3)D. (pi)/(2)
平面$x+\sqrt{26}y+3z-3=0$与xoy面夹角为( ).
A. $\frac{\pi}{6}$
B. $\frac{\pi}{4}$
C. $\frac{\pi}{3}$
D. $\frac{\pi}{2}$
题目解答
答案
C. $\frac{\pi}{3}$
A. $\frac{\pi}{6}$
B. $\frac{\pi}{4}$
C. $\frac{\pi}{3}$
D. $\frac{\pi}{2}$