‚€‚ρ


 acos   {@( cos  ΜΨΡ·  )   €   γ(  1 {  (    Ί³Κή²   )  *   (    Ί³Κή²   ))@}


 acos   {@( cos @ƒΖ   )   €   γ(  1 {  (     ‚i     )  *   (     ‚i     ))@}
 

 acos   {@( cos   Ό°ΐ  )   €   γ(  1 {  (  Όήͺ²@‚  )  *   (  Όήͺ²@‚  ))@} 
 
 
 acos   {@( cos  135‚Η )   €   γ(  1 {  ( ΐέ²cm ^ ‚)  *   ( ΐέ²cm ^ ‚))@}


 acos   {@( cos  135‚Η )   €   γ(  1 {  ( 100 € 100 )  *   ( 100 € 100 ))@}
 
 
 acos   {@( cos  135‚Η )   €   γ(  1 {  (      1     )  *   (      1     ))@}
 
 
 acos   {@( -0.707 ..  )   €   γ(  1 {  (      1     ))@}


 acos   {@( -0.707 ..  )   €   γ(    2    )@}


 acos   {@( -0.707 ..  )   €  (  1.414 ..  )@}

 
 acos   {@(   -0.5     )@}

 
 acos   -0.5

 
Ϊ 120.00 ‚Η
 
 
 
 
 
 

  120.000000000000000000000000000000  ‚Η