2 years ago

2+1 giveaway tell me thanks wen done

Mathematics

2 answers:

tatyana61 [14]2 years ago

7 0

Answer:

Step-by-step explanation:

mars1129 [50]2 years ago

6 0

Answer: 3

Steps:
2 + 1 = 3

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I believe that it’s D

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What do you call when a relation with each x value has one y value

Nitella [24]

When each x value has only one y value, the relation is a function

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Brums [2.3K]

Answer:

7.9

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2 years ago

There are values of t so that sin t=.35 and cos t=.6

NISA [10]

Recall the fundamental rule of trig:

$\sin^2(x)+\cos^2(x)=1 \quad\forall x \in \mathbb{R}$

So, there exists an angle $t$ such that

$(0.6,0.35)=(\sin(t),\cos(t))$

if and only if

$\sin^2(t)+\cos^2(t)=0.6^2+0.35^2=1$

Working out the numbers, we get

$0.6^2+0.35^2=0.36+0.1225=0.4825\neq 1$

So, there doesn't exist a number $t$ such that

$(0.6,0.35)=(\sin(t),\cos(t))$

7 0

2 years ago

2+1 giveaway tell me thanks wen done​

2+1 giveaway tell me thanks wen done