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dlinn [17]
3 years ago
15

Frend me please thank to this is cause i love you guys

Mathematics
2 answers:
padilas [110]3 years ago
4 0

Answer:

Thanks for the points broski. You shouldn't love a random stranger

Step-by-step explanation:

Vsevolod [243]3 years ago
4 0

Answer:

ok whats up frend me to pleas

Step-by-step explanation:

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Find the value of x. Round to the nearest degree.<br> 13<br> *<br> 20<br> Not drawn to scale<br> to
Svetach [21]

Answer:

Hence option C is correct...hope this helps you:)

4 0
2 years ago
Solve the equation cos (x/2) = cos x + 1. what are the solutions on the interval 0° ≤ x &lt; 360°?
Sedbober [7]

Answer:

Step-by-step explanation:

cos (x/2)=cos x+1

cos (x/2)=2cos ²(x/2)

2 cos²(x/2)-cos (x/2)=0

cos (x/2)[2 cos (x/2)-1]=0

cos (x/2)=0=cos π/2,cos (3π/2)=cos (2nπ+π/2),cos(2nπ+3π/2)

x/2=2nπ+π/2,2nπ+3π/2

x=4nπ+π,4nπ+3π

n=0,1,2,...

x=π,3π

or x=180°,540°,...

180°∈[0,360]

so x=180°

or

2cos(x/2)-1=0

cos (x/2)=1/2=cos60,cos (360-60)=cos 60,cos 300=cos (360n+60),cos (360n+300)

x/2=360n+60,360n+300

x=720n+120,720n+300

n=0,1,2,...

x=120,300,840,1020,...

only 120° and 300° ∈[0,360°]

Hence x=120°,180°,300°

7 0
2 years ago
What two angles equal to a complementary angle?
butalik [34]

Answer:

go google and search

Step-by-step explanation:

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5 0
3 years ago
Two true or false :)
asambeis [7]
1. false because they have the same slope and y-intercept so they have infinite number of solutions
2. true
4 0
3 years ago
Quadrilateral BCDE has vertices B(-1, -1), C(6,-2), D(5, -9), and E(-2,-8).
natima [27]
B because it make the most sense
3 0
2 years ago
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