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marin [14]
3 years ago
12

Which is equivalent to −2/5

Mathematics
2 answers:
Grace [21]3 years ago
7 0

Answer:

-0.4

Step-by-step explanation:

-2 divided by 5

Sonja [21]3 years ago
6 0

Answer:

-4/10

Step-by-step explanation:

There are many more this is one of them.

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Verify sin2θ/1+cos2θ =tanθ
Andrej [43]

Answer:

LHS.= Sin 2x /( 1 + cos2x )

We have , sin 2x = 2 sinx•cosx

And. cos2x = 2cos^2 x - 1

i.e . 1+ cosx 2x = 2cos^2x

Putting the above results in the LHSwe get,

Sin2x/ ( 1+ cos2x ) =2 sinx•cosx/2cos^2x

=sinx / cosx

= Tanx

.•. sin2x/(1 + cos2x)= tanx

Step-by-step explanation:

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3 years ago
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Westkost [7]
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masya89 [10]

Answer:

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Step-by-step explanation:

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3 years ago
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AleksandrR [38]
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Step-by-step explanation:

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