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3 years ago

Given 1/cot x - sec x/ csc x= cos x find a numerical value of one trigonometric function of x

Mathematics

2 answers:

iragen [17]3 years ago

4 0

Answer:

Step-by-step explanation:

c on edge

nignag [31]3 years ago

3 0

Answer:

what's is supposed to be going on here what the the option

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Vanyuwa [196]

Aritmetic increases by the same number

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not same difference

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3 years ago

Read 2 more answers

A mixture of compounds X and Y in a 0.100-cm cell had an absorbance of 0.215 at 272 nm and 0.191 at 327 nm. Find [X] and [Y] in

Oksi-84 [34.3K]

Answer: The concentration of X is $7.13582\times 10^{-6}$ and the concentration of Y is $2.53159\times 10^{-5}$ .

Step-by-step explanation:

Since we have given that

At 272 nm, absorbance = 0.215

At 327 nm, absorbance = 0.191

As we have given that

Compound X Compound Y

272 16400 3870

327 3990 6420

So, our equations becomes

$16400C_1+3870c_2=0.215\\\\3990C_1+6420C_2=0.191$

By solving these two equations, we get that

$C_1=7.13582\times 10^{-6}\\\\C_2=2.53159\times 10^{-5}$

Hence, the concentration of X is $7.13582\times 10^{-6}$ and the concentration of Y is $2.53159\times 10^{-5}$ .

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3 years ago

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PolarNik [594]

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Step-by-step explanation:

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KatRina [158]

Answer:

the same as the original equation

Step-by-step explanation:

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3 years ago

One-eight of the sum of a number and three. The algebraic expression for the given quantity is ___

lesya [120]

Answer:

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Step-by-step explanation:

(1/8)*(x+3)

(x+3)/8

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3 years ago

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Given 1/cot x - sec x/ csc x= cos x find a numerical value of one trigonometric function of x​

Given 1/cot x - sec x/ csc x= cos x find a numerical value of one trigonometric function of x