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sveta [45]
3 years ago
12

PLS HELP WITH THIS QUESTION GIVING BRAINLIST

Mathematics
1 answer:
Aleks04 [339]3 years ago
8 0

Answer: 1: 5(3x+4)

2: 6(x2+4x−3)

3: 5x(4x2−3x+2)

4: 4n2(4n2-3)

Step-by-step explanation:

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In the terminal side of an angle in standard position lies on -4y=3x and x>0, find the exact values of the trigonometric func
charle [14.2K]

Answer:

sec ∅  =  5/4

cosec ∅  = -5/3

cot ∅  = -4/3

Tan ∅ = - 3/4

sin ∅   = -3/5

cos ∅   =4/5

Step-by-step explanation:

Given : -4y = 3x  , x > 0

i.e. 3x + 4y = 0 ,  x >0

4y = -3x  ∴ y = - 3/4 x

<u>The values of trigonometric functions of  ∅  are </u>

Tan ∅  = opposite / adjacent

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now we will find the hypothenuse ( c )

c^2 = a^2 + b^2 = 9 + 16 = 25

therefore ; c = √25 = 5

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sin ∅   = -3/5

cos ∅   =4/5

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cosec ∅ = -5/3

cot ∅ = -4/3

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Answer:

The\: value \:of\: the\: first\: number\:is\:9

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We\:have\:a\:system\:of\:equation:\\\left \{ {{x+y=39} \atop {3x+3=y}} \right. \\\Leftrightarrow \left \{ {{39-x=y} \atop {3x+3=39-x}} \right. \\\Leftrightarrow \left \{ {{39-x=y} \atop {4x=36}} \right. \\\Leftrightarrow \left \{ {{y=39-9} \atop {x=9}} \right. \\\Leftrightarrow \left \{ {{y=30} \atop {x=9}} \right. \\\Rightarrow x=9

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3 years ago
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