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skelet666 [1.2K]
3 years ago
15

Any tips on negative numbers? Thanks!!

Mathematics
1 answer:
mote1985 [20]3 years ago
5 0
They aren’t positive !
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5) Establish the indentity (cot + tan ) sin = sec . Show each step to justify your conclusion.
katen-ka-za [31]

Answer:

Step-by-step explanation:

Identities : -

cot = cos / sin

tan = sin / cos

( cot + tan ) sin = sec

LHS

= ( cot + tan ) sin

= ( ( cos / sin ) + ( sin / cos ) ) sin

= ( ( cos sin ) / sin ) + ( sin² / cos )

= cos + ( sin² / cos )

LCM = cos

= ( cos² / cos ) + ( sin² / cos )

= ( cos² + sin² ) / cos

Identity : -

cos² + sin² = 1

= 1 / cos

= sec

= RHS

Hence proved.

3 0
3 years ago
Help??????? <br>dhdjdjmsjd​
Nimfa-mama [501]

Answer:

1/2 over 7/8

Step-by-step explanation:

becauseim smartt

4 0
2 years ago
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I need help i'm really still confused on the Tan thing in algebra
AysviL [449]

Answer:6/8

Step-by-step explanation:

4 0
3 years ago
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A boy spends 4/15 on cloth, 1/5 on food and 5/12 on drink. what fraction is left for other things
mamaluj [8]

Answer:

4/15+1/5+5/12=53/60 so

7/60

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5 0
3 years ago
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Compute: 245 * 1,493. Show your work.
sesenic [268]
0 + 0 + 5 = 5

0 + 2 + 6 = 8

6 + 7 + 4 = 17
Put the 7 in the appropriate column and carry the 1.

<span>8 + 9 + 7 + </span><span>1(carried)</span><span> = 25</span>
Put the 5 in the appropriate column and carry the 2.

<span>9 + 5 + </span><span>2(carried)</span><span> = 16</span>
Put the 6 in the appropriate column and carry the 1.

<span>2 + </span><span>1(carried)</span><span> = 3</span>

<span>So: 1493 × 245 = 365785</span>
4 0
3 years ago
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