What are some equivalent fractions for 4/8

Mathematics

2 answers:

Zanzabum3 years ago

7 0

Answer:

1/2 8/16 6/12

Step-by-step explanation:

Lelechka [254]3 years ago

7 0

Answer: Some equivalent fractions of 4/8 are:

1/2 = 2/4 = 3/6 = 4/8 = 5/10 = 6/12 = 7/14 = 8/16 = 9/18 = 10/20 = 11/22 = 12/24 = 13/26 = 14/28 = 15/30 = 16/32 = 17/34 = 18/36 = 19/38 = 20/40 = 21/42 = 22/44 = 23/46 = 24/48 = 25/50 = 26/52 = 27/54 = 28/56 = 29/58 = 30/60 = 31/62 = 32/64 = 33/66 = 34/68 = 35/70 = 36/72 = 37/74 = 38/76 = 39/78 = 40/80

Step-by-step explanation:

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Verify cot x sec^4x=cotx +2tanx +tan^3x

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Answer:

See explanation

Step-by-step explanation:

We want to verify that:

$\cot(x) \: { \sec}^{4} x = \cot(x) + 2 \tan(x) + { \tan}^{3} x$

Verifying from left, we have

$\cot(x) \: { \sec}^{4} x = \cot(x) \: ( 1 + { \tan}^{2} x )^{2}$

Expand the perfect square in the right:

$\cot(x) \: { \sec}^{4} x = \cot(x) \: ( 1 + { 2\tan}^{2} x + { \tan}^{4} x)$

We expand to get:

$\cot(x) \: { \sec}^{4} x = \cot(x) \: + \cot(x){ 2\tan}^{2} x +\cot(x) { \tan}^{4} x$

We simplify to get:

$\cot(x) \: { \sec}^{4} x = \cot(x) \: + 2 \frac{ \cos(x) }{\sin(x) ) } \times \frac{{ \sin}^{2} x}{{ \cos}^{2} x} +\frac{ \cos(x) }{\sin(x) ) } \times \frac{{ \sin}^{4} x}{{ \cos}^{4} x}$