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2 years ago

Plz help it’s due tonight!!!

Mathematics

1 answer:

Nutka1998 [239]2 years ago

8 0

D. Is the ans
Please mark me as Brainliest

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Verify which of the following are identities.

-Dominant- [34]

Answer:

Only the second equation is an identity

Step-by-step explanation:

$8 \frac{\tan^2(\theta)}{\sec(\theta)} \csc^2(\theta)=8 \csc(\theta)$

$\tan^2(\theta)\csc^2(\theta)=\sec^2(\theta)$

<u>You can confirm it: </u>

$\frac{\sin^2(\theta)}{\cos^2(\theta)}\cdot \frac{1}{\sin^2(\theta)}= \frac{1}{cos^2(\theta)}= \sec^2(\theta)$

<u>Therefore</u>

$8 \frac{\sec^2(\theta)}{\sec(\theta)} =8 \csc(\theta)$

$8 \frac{\sec(\theta)}{1} =8 \csc(\theta)$

$8\sec(\theta)=8\csc(\theta)$

<h2>It is not an Identity</h2>

<u>Let's the second one</u>

$13 \frac{\tan^2(\theta)}{\sec(\theta)} \csc^2(\theta)=13\sec(\theta)$

In this case, we already performed the calculations, so it is true. It is an Identity.

3 0

2 years ago

HELPPPP ASAP it’s so confusing I’ll brainlist whoever gets it.

den301095 [7]

Answer:

probability she does not win badminton: 1/10

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not sure what the other tree is supposed to be

i think the probability of her winning both is 11/15

Step-by-step explanation:

i havent done this in a while so i could be wrong:/ sorry if it is

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Answer:

210 Hope it helps! if you have any other questions I can help

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