‚€‚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 -130‚Η )   €   γ(  1 {  ( ΐέ²cm ^ ‚)  *   ( ΐέ²cm ^ ‚))@}


 acos   {@( cos -130‚Η )   €   γ(  1 {  ( 120 € 200 )  *   ( 120 € 200 ))@}
 
 
 acos   {@( cos -130‚Η )   €   γ(  1 {  (    0.6     )  *   (    0.6     ))@}
 
 
 acos   {@( -0.642 ..  )   €   γ(  1 {  (    0.36    ))@}


 acos   {@( -0.642 ..  )   €   γ(   1.36   )@}


 acos   {@( -0.642 ..  )   €  (   1.166 ..  )@}

 
 acos   {@( -0.551 ..  )@}

 
 acos   -0.551 ..

 
Ϊ 123.45 ‚Η
 
 
 
 
 
 

  123.44840381796897818663355504817  ‚Η