When is used to describe spatial rotations ( cf . quaternions and spatial rotations ) , it describes a rotation about through an angle of .
If When is used to describe spatial rotations ( cf . Quaternions and spatial rotations ) , it describes a rotation of an angle .

Are these two sentences paraphrases of each other?
yes

Mannan was a general secretary of the Regional Council and Islamic Advisory Council during the administration of Ayub Khan .
Mannan was the Secretary General of the Regional Council and the Islamic Advisory Council during the administration of Ayub Khan .

Are these two sentences paraphrases of each other?
yes

In November 2005 , Robert Israel sold Plotkin the weekly to Mitchell of Bolinas , California .
In November 2005 , Robert Israel Plotkin sold the weekly to Mitchell of Bolinas , California .

Are these two sentences paraphrases of each other?
no

The San Miguel Beermen are a professional basketball team at the PBA ( Philippine Basketball Association ) .
The San Miguel Beermen are a professional basketball team in the Philippine Basketball Association ( PBA ) .

Are these two sentences paraphrases of each other?
yes