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mestny [16]
3 years ago
14

I’ll give brainliest:)

Mathematics
2 answers:
Natasha2012 [34]3 years ago
6 0

Answer:

ok ok ok ok ok ok okok ok ok

Anastasy [175]3 years ago
5 0

128 degree is the answer

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Verify that [tan(theta) + cot(theta)]^2 = sec^2(theta) + csc^2(theta)
Wittaler [7]

(tanθ + cotθ)² = sec²θ + csc²θ

<u>Expand left side</u>: tan²θ + 2tanθcotθ + cot²θ

<u>Evaluate middle term</u>: 2tanθcotθ = 2*\frac{sin\theta}{cos\theta}*\frac{cos\theta}{sin\theta} = 2

⇒ tan²θ + 2+ cot²θ

= tan²θ + 1 + 1 + cot²θ

<u>Apply trig identity:</u>  tan²θ + 1 = sec²θ

⇒ sec²θ + 1 + cot²θ

<u>Apply trig identity:</u>  1 + cot²θ = csc²θ

⇒ sec²θ + csc²θ

Left side equals Right side so equation is verified


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2 years ago
I need help with #2 please I don’t understand
kipiarov [429]
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3 years ago
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Find the measure of angle ABD ​
alexira [117]

Answer:

120

Step-by-step explanation:

180-50-70=60

180-60=120

6 0
2 years ago
On a coordinate plane, 2 lines intersect around (0.4, 2.8). The graph on the left represents a system of equations. How can the
kompoz [17]

Answer:

How can the solution be located?

find the intersection

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Which integers is the y-coordinate between?

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What is the solution approximated to the tenths place?

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Step-by-step explanation:

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3 years ago
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PLEASE HELP Show all Your work 25 points will give brainly
julsineya [31]

Answer:

x=9

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117=x²+36

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3 years ago
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