Sin(a + b) = sin a .cos b + cos a . sin b
C because the hypotenuse is the longest
Answer:
x = 30 degrees
Step-by-step explanation:
These triangles are perfectly symetrical. This is shown by the length of sides given in the problem. Since the triangle is symetrical, E is equal to B just as D is equal to C. Since B is 30 degrees, we can tell that E is also 30 degree.
Answer:
1. 21
2. -4
3. 20
4. 1
5. 4
6. -6
Step-by-step explanation:
Answer:
the water is 2.2 meters deep
Step-by-step explanation:
