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Alexus [3.1K]
3 years ago
6

Sin55+cos55=2^1/2/sec10​

Mathematics
1 answer:
kobusy [5.1K]3 years ago
8 0

Answer:

what is this,is this a question

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HELP!!! Simplify cos^2 0 -1/ 4sin^2 0?
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We need to simpify the given expression. The given expression to us is ,

<u>Given </u><u>Expression</u><u> </u><u>:</u><u>-</u><u> </u>

\sf\implies \dfrac{ cos^2\theta -1}{4 \ sin^2\theta }

<u>Using </u><u>Identity</u><u> </u><u>:</u><u>-</u><u> </u>

\sf\implies \red{ sin^2\theta + cos^2\theta = 1}

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<u>We </u><u>have</u><u> </u><u>:</u><u>-</u><u> </u>

\sf\implies \dfrac{ cos^2\theta -1}{4 \ sin^2\theta } \\\\\sf\implies\dfrac{ - sin^2\theta}{4sin^2\theta}=\boxed{\sf -\dfrac{1}{4}}

<u>Hence </u><u>the</u><u> </u><u>required</u><u> answer</u><u> is</u><u> </u><u>-</u><u>1</u><u>/</u><u>4</u><u>. </u>

5 0
3 years ago
Sin 2A + sin A/1+cos A + cos 2A=tan A
Nezavi [6.7K]

Answer:

= 2sinA.cosA+ sinA / 1+cos2A+ cosA

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3 years ago
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Answer:

10

Step-by-step explanation:

My guy just plug in the number for x it's not that hard

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2 years ago
Write 5.9/100 as a percent.
Vaselesa [24]
0.059 x 100 = 5.9%
 

5.9% is your answer

hope this helps
6 0
3 years ago
Read 2 more answers
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