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2 years ago

(1+sinx/cosx)+(cosx/1+sin)

Mathematics

1 answer:

Licemer1 [7]2 years ago

5 0

( 1 + sinx / cosx ) + ( cosx / 1 + sinx ) =

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(1 + sinx)(1 + sinx)/cosx(1 + sinx)

(cosx)(cosx)/(1 + sinx)(cosx) =

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(1 + sinx)^2 /cosx(1 + sinx)

(cosx)^2/cosx(1 + sinx) =

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1 + 2sinx + sin^2 x/cosx(1 + sinx)

cos^2 x/cosx(1 + sinx) =

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1 + sin^2 x + cos^2 x + 2sinx / cosx(1 + sinx) =

1 + 1 + 2sinx / cosx(1 + sinx) =

2 + 2sinx / cosx(1 + sinx) =

2(1 + sinx)/cosx(1 + sinx) =

( 1 + sinx) simplifies from the face and the denominator of the fraction

2/cosx

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3 years ago

Read 2 more answers

Write the equation of the line that passes through the point (-2, 7) and is PARALLEL to the line y = -4x + 1.

qwelly [4]

Answer:

The equation is $y=x-9$

Step-by-step explanation:

If we want a line parallel to the line in the problem it will have the same slope. The equation given in the problem is already in slope intercept form so we can take the slope for the new equation directly from this equation.

The slope-intercept form of a linear equation is: $y=mx+b$

Where m is the slope and b is the y-intercept value.

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Therefore the slope is

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We can now use the point-slope formula to write the equation of the parallel line:

The point-slope formula states:

$(y-y1)=m(x-x1)$

Where m is the slope and $(x1,y1)$ is a point the line passes through.

Substituting the information from the problem gives:

$(y- (-7)=1(x-2)$

$(y+7)=1(x-2)$

Or, we can solve for y to put the equation in slope-intercept form:

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3 years ago

Let f(x) = x2 − 8x + 5. Find f(−1). (1 point)<br><br><br> −4<br><br> −3<br><br> 13<br><br> 14

s344n2d4d5 [400]

f(x) = x² - 8x + 5 Plug in -1 for all of the x-values
f(-1) = (-1)² - 8 (-1) + 5 Square -1
f(-1) = 1 - 8 (-1) + 5 Multiply -8 and -1
f(-1) = 1 + 8 + 5 Add
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3 years ago

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Answer:

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Step-by-step explanation:

Let the number of lawns Kevin mowed be x.

12 = 3x

x = 4

Topic: Algebraic equations

If you would like to venture further into mathematics, you can check out my Instagram page (learntionary) where I post notes and mathematics tips. Thanks!

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3 years ago

If 45% of a number , e is 180 , what is 95% of e

Sergeeva-Olga [200]

Answer:

380

Step-by-step explanation:

Find 1% of e:

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Find 95% of e:

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2 years ago