Answer two questions about Systems AAA and BBB: System AAA \text{\quad}start text, end text System BBB \begin{cases}x-7y=-3\\\\4
2 answers:
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when a = -5 and y = 7 :
Answer: -40
ok done. Thank to me :>
Use the following identities:
Also because the angle is in quadrant 3, sin must be negative.
Therefore
Subbing in tan = 0.958
Also because the angle is in quadrant 3, sin must be negative.
Therefore
Subbing in tan = 0.958
Hope this will help you. It is a little hard to explain.
