Answer:
Yes its a quadrilateral
Step-by-step explanation:
It has 4 sides
Answer:
p=0 or p=-7/15
Step-by-step explanation:
15p2+7p=0
p(15p+7)=0
p=0 or 15p+7=0
Answer:
i can help
Step-by-step explanation:
Answer:
Solution :
Step-by-step explanation:
Let's apply trivial identities here. We know that cos(-π / 4) = √2 / 2, sin(-π / 4) = - √2 / 2, cos(-π / 2) = 0, sin(-π / 2) = - 1. Let's substitute those values,
= ÷
= ÷
= ÷ = ÷ =
As you can see your solution is the last option.
Honestly I don’t even know