Question

IF PO = -PO. then angle between P and O is:
(1)0 (2) 180 (3) 45 (4) 60
94​

Answer 1

Answer:

0

Step-by-step explanation:

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Answer 2

Answer:

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12th

>Maths

>Three Dimensional Geometry

>Angles between Two lines in 3D Space

>The angle between vectors ...

Physics

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The angle between vectors (

A

×

B

) and (

B

×

A

) is

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Answer

Correct option is

B

π

Given that,

A

×

B

=

B

×

A

We know that,

A

×

B

=−

B

×

A

(

A

×

B

)⋅(

B

×

A

)=(

A

×

B

)⋅(−

A

×

B

)

∣

A

×

B

∣∣

B

×

A

∣cosθ=−(

A

×

B

)⋅(

A

×

B

)

∣

A

×

B

∣

2

cosθ=−∣

A

×

B

∣

2

cosθ=−1

cosθ=cosπ

θ=π

Hence, the angle