Answer:
Solution are
i) 
Step-by-step explanation:
1) (sinx)(cosx) =0
sin2x/2 =0
2x =0, 2pi, 3pi, 4pi
Hence 
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2) 
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Answer:
40%
Step by step explanation is given above
Answer:
My answer is 78.55
Step-by-step explanation:
I've given the steps. Hope it really helps
9514 1404 393
Answer:
16
Step-by-step explanation:
The altitude of the triangle is 12/21 = 4/7 of the marked side. If we assume that the marked sides are the ones that are corresponding, then ...
x = (4/7)(28)
x = 16
<span>x=<span>−<span><span>2<span> and </span></span>y</span></span></span>=<span>−<span>2
</span></span>A.(−2, −2)