Question

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Answer 1

Answer:

sin ø+cosø=3/2

(sinø+cosø)²=(3/2)²

sin²ø+cos²ø+2cosø.sinø=9/4

1+2cosø.sinø=9/4

2cosø.sinø=9/4 -1

2cosø.sinø=9-4/4

2cosø.sinø=5/4

cosø.sinø=5/4 ×1/2=5/8

therefore, cosø.sinø=5/8

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Answer 2

Answer:

The second heart is located at the backside of the lower leg/ upward of the heel. It's the Calf Muscles. These Calf muscles are named as Soleus. Usually, our heart pumps the blood with oxygen all over the body.

Step-by-step explanation:

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