Answer:
(cos a cos b - sin a sin b)
Step-by-step explanation:
It's easy
There are many strategies that can be used it really depends on what kind of questions you're answering.
56% interest will be earned
Answer:
X=4
Step-by-step explanation:
Figure B is .8 times the size of Figure A, so to find the value of x you would take the scale factor and multiply it by 5 in this case.
Four? Isn't it stated in the question? Unless I am assuming wrong.