3=1 the statement is false
Answer:
Step-by-step explanation:
As 360°= 2 π Radian
1 Radian =
1. Sin(-1)= Sin ( )
= Sin (-57°16'22")=-0.84147
2.
= (229°54'32")
=75.963757 Degrees
3.
= (5°43'38")
= 84.26083 Degrees
When rounding a number, the digit of the number can be increased up to 1, but the digit won't be decreased. So, it is possible to round a five digit number into six digit number. But to increase the number digit, the number should be rounded up. To be rounded up, a number should have value 5 or more.
The answer is: 
The explanation is shown below:
1- You have the following expression given in the exercise:

2- When you multiply signs, you obtain:

3. Now, you must add like terms, as following:

4. Therefore, you have that the expression simplified is:
