3 years ago

Complete the table: a. 1 c. 2 b. -1 d. 0

Mathematics

1 answer:

Vlada [557]3 years ago

5 0

Answer:

cos0 = 1

cos90 =0

so a for the first one and d for the other

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The general term of an arithmetic sequence is,

$a_{n} =a_{1} +(n-1)d$

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$a_{1}$ = First term

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Here $a_{1}$ = 57,

d = 66 - 57 = 9

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Next step is to plug in these values in the above formula. Therefore,

$a_{250} =57 +(250-1)*9$

= 57 + 249 * 9

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