Cos(60) = cos(90 - 30) = sin(30) = 1/2
This should be what you want.
Answer: below in picture
explanation: also in picture
Answer:
4. 3 units
5. Triangle
6. (0,2)
Step-by-step explanation:
4. The distance between the x axis and the point (8,3) is 3 units
5. Triangle will be formed if the points A(-3, 0), B (0,3) and C (3,0) are joined together
6. Since the point lie on the y-axis, its x co-ordinate will be zero and the point will be (0,2)
No idea sorry! If I knew I would tell you
I think it would just be n rad n