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2 years ago

The heart is almost all muscle tissue. True False

Health

2 answers:

photoshop1234 [79]2 years ago

5 0

Answer:

True

Explanation:

Eddi Din [679]2 years ago

3 0

Answer:
True
Additionally, the heart is largely made up of a type of muscle tissue called cardiac muscle. This muscle contracts when your heart beats, allowing blood to pump through your body.

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9. (1 + tan²theta) cot theta cosec theta tan theta

wolverine [178]

Answer:

Proved

Explanation:

Given

$\frac{(1+tan^2\theta). cot\theta}{cosec^2 \theta}= tan \theta$

Required

Prove

In trigonometry:

$1 + tan^2\theta = sec^2\theta$

So, we have:

$\frac{sec^2\theta * cot\theta}{cosec^2 \theta}= tan \theta$

Express each identity as an inverse:

$\frac{\frac{1}{cos^2\theta} * \frac{1}{tan\theta}}{\frac{1}{sin^2 \theta}}= tan \theta$

Rewrite as:

$(\frac{1}{cos^2\theta} * \frac{1}{tan\theta})/ \frac{1}{sin^2 \theta}= tan \theta$

Express tan as sin/cos:

$(\frac{1}{cos^2\theta} * \frac{1}{sin\theta/cos\theta})/ \frac{1}{sin^2 \theta}= tan \theta$

$(\frac{1}{cos^2\theta} * \frac{1}{sin\theta/cos\theta}) * sin^2 \theta= tan \theta$

$(\frac{1}{cos^2\theta} * \frac{cos\theta}{sin\theta}) * sin^2 \theta= tan \theta$

$(\frac{1}{cos\theta} * \frac{1}{sin\theta}) * sin^2 \theta= tan \theta$

$\frac{sin^2 \theta}{cos\theta*sin\theta}= tan \theta$

$\frac{sin \theta}{cos\theta}= tan \theta$

$tan \theta= tan \theta$

Proved

3 0

3 years ago

Hallucinations, disorientation and the loss of a sense of time are symptoms of what disorder

Mariana [72]

These symptons link to many different disorders but one main one I could think of is blackout

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zaharov [31]

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Law Incorporation [45]

Internal pressure is pressure that happens inside you.
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3 years ago

In Pickleball, if the serving team goes to the net to hit the receiver's return from the air, they are breaking the Double-Bounc

Fynjy0 [20]

Answer:

Ture

Explanation:

............................

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