Answer:
theres no questions
Step-by-step explanation:
Answer:
20
Step-by-step explanation:
I took the test
Answer:
The Pythagorean identity states that

Using that we can rewrite the left denominator as:

Which can be factored as

The numerator we can expand as:

On the right hand side, let's multply numerator and denominator with (1 - sin t):
The total formula then becomes:

There you go... left and right are equal.
Answer:
27
Step-by-step explanation:
57 - 3 = 54. 54/2 = 27.
A + 12.5 = 20
- 12.5 -12.5
———————
A = 7.5
The answer is 7.5