" 1."sin4530^(@)=

Sin 4530^(@)=

If theta=4530^(@) , then "sin" 4530^(@) is :

Without using tables, give the value of the following : sin4530^(@)

Find the value of following trigonometric function. sin(4530^(@))

Find the values of the following trignometric ratios: (a) cos 855^(@) , (b) sin 4530^(@) ( C) tan (-585^(@)) (d) cot((-15pi)/(4))

" (1) "45,30

Find the values of the following trigonometric ratio: s in4530^(0)

The value of cos(4530^(@))=

The sum (1)/(sin45^(@)sin46^(@))+(1)/(sin47^(@)sin48^(@))+(1)/(sin49^(@)sin50^(@))+...+(1)/(sin133^(@)sin134^(@)) is equal to

the sum (1)/(sin45^(@)sin46^(@))+(1)/(sin47^(@)sin48^(@))+(1)/(sin49^(@)sin50^(@))+...+(1)/(sin133^(@)sin134^(@)) is equal to