trigonometry

Question: If $A=130{}^\circ $and $x=\sin A+\cos A,$then

1) $x>0$

2) $x<0$

3) $x=0$

4) $x\le 0$

Solution:

Explanation: No Solution

Fundamental trigonometrical ratios and functions Trigonometrical ratio of allied angles

Rate this question:

★ ★ ★ ★ ★

Average rating: (0 votes)