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Igoryamba
3 years ago
7

Verify [cos(x)/1+sin(x)] - [cos(x)/1-sin(x)] = -2tan(x)

Mathematics
1 answer:
attashe74 [19]3 years ago
4 0

Answer:

L.H.S = R. H.S

Step-by-step explanation:

Hope, you see the image .

<u>Note</u><u>;</u><u> </u>Way to solve question may vary according to your grade

This process is for grade 9 and above

For lower level you can express all tri.. ratios in p , b & h and prove it

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Write an equation of the line passing through the point (3, -1) and parallel to the line y=2/3x - 5. Show work
alex41 [277]

Answer:

The answer is: y = 2/3x - 3

Step-by-step explanation:

Given point: (3, -1)

Given equation: y = 2/3x - 5, which is in the form y = mx + b where m is the slope and b is the y intercept.

Parallel lines have the same slope. Use the point slope form of the equation with the point (3, -1) and substitute:

y - y1 = m(x - x1)

y - (-1) = 2/3(x - 3)

y + 1 = 2/3x - 6/3

y + 1 = 2/3x - 2

y = 2/3x - 3

Proof:

f(3) = 2/3(3) - 3

= 6/3 - 3

= 2 - 3

= -1, giving the point (3, -1)

Hope this helps! Have an Awesome Day!!  :-)

6 0
3 years ago
I need help pleaseee
Nataly_w [17]
Is this for area and perimeter? If so, first make the fraction a decimal, (that would be 3.5). Then, for permeter, add 3.5 + 3.5 + 9 + 9, which is 25, for area, multiply 3.5 by 9, which is 31.5. Hope this helped!
5 0
3 years ago
A sphere has a volume of 1,436 in3. What is its radius?
Gwar [14]

Answer:

do the reverse of pie r squared

Step-by-step explanation:

4 0
2 years ago
2-10n more math homework :|
creativ13 [48]

Step-by-step explanation:

Yea we need more information.

4 0
3 years ago
Write the phase "3 times the difference of 5 and y equals 4" as a variable expression:
worty [1.4K]

Answer:

3(5-7)=4

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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