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ololo11 [35]
3 years ago
9

Need help finding the value of O. Please help..

Mathematics
1 answer:
Kruka [31]3 years ago
7 0

Answer:

O=30° or O=29°

Step By Step Explanation:

∠α =arcsin( a/c )

= arcsin(4/8)

= arcsin(0.5)

= 0.5 rad = 30° = 29°

I Hope This Helps. I Gave you 2 answers just in case 1 is Wrong. And I Hope you Understand This Calculation, I Used Different Variables and the arcsin thing is something my teacher told my class to use, and I Have no Idea what it means because my teacher never explained what it meant, Sadly.

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sin theta = x , sec theta =y . find cot theta pls answer fast i need to verify my answer . you can directly write the answer no
Snowcat [4.5K]

Answer:

\huge\boxed{\cot\theta=\dfrac{1}{xy}}

Step-by-step explanation:

\bold{METHOD\ 1}

\sin\theta=x\\\\\sec\theta=y\\\\\cot\theta=?\\\\\text{We know:}\\\\\sec x=\dfrac{1}{\cos x};\ \cot x=\dfrac{\cos x}{\sin x}\\\\\sec\theta=y\to\dfrac{1}{\cos \theta}=y\to\dfrac{\cos\theta}{1}=\dfrac{1}{y}\to\cos\theta=\dfrac{1}{y}\\\\\cot \theta=\dfrac{\frac{1}{y}}{x}=\dfrac{1}{xy}

\bold{METHOD\ 2}

\text{We know}\\\\\tan x=\dfrac{\sin x}{\cos x}\\\\\cot x=\dfrac{\cos x}{\sin x}=\dfrac{1}{\tan x}\\\\\sec x=\dfrac{1}{\cos x}\\\\\text{therefore}\\\\(sin x)(\sec x)=(\sin x)\left(\dfrac{1}{\cos x}\right)=\dfrac{\sin x}{\cos x}=\tan x\\\\\dfrac{1}{(\sin x)(\sec x)}=\dfrac{1}{\tan x}=\cot x

\\\sin \theta=x;\ \sec\theta=y\\\\\text{substitute}\\\\\cot\theta=\dfrac{1}{xy}

7 0
3 years ago
I don’t understand what to solve.
White raven [17]
Well since it gives you 2 gas stations it wants you to compare prices

Als gas station will be A
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since station A has $3.259/ gallon I assume
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just subtract them

so 3.259 -3.199 = 0.06

gas is less at station B noticeably costs less so thats your first answer

for the next one if you bought gallon of gas at the cheaper station you'd be saving $0.06/gallon since we got the difference from subtracting them.
3 0
4 years ago
HELP 60 PTS Write ln⁡ (a^2 b^3)/cd in expanded form. SHOW ALL WORK TO RECEIVE CREDIT.
Rufina [12.5K]

Answer:

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Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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Add these up.  If the sum = 116, you'll know these answers are correct.
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4 years ago
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8 0
4 years ago
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