Answer:
sin O = 
Step-by-step explanation:
given tan O =
= 
Then this is a right triangle with legs 3 and 4
Using Pythagoras' identity then the hypotenuse (h ) is
h =
=
= 5, hence
sin O =
= 
Answer: 9702
Step-by-step explanation: 154*63=9702
This statement will be
false. -7+9=2
-9+7=-2

, therefore, this statement is false.
X=-15 would be the answer