Answer:
Cosa/2-tana+sina
Step-by-step explanation:
Cosatana
Answer:
40%
Step-by-step explanation:
- Answer & step-by-step explanation:
<em>a) impossible</em>
<em>b) the sum of the angles in a triangle is 180°</em>
<em>63° + 59° + 57° = 179°</em>
Answer:
12
Step-by-step explanation:
15 - 3 = 12