" If "sin60^(@)=0.86603,1^(@)=0.01745^(@)," then "cos61^(@)~~...

If 1^(@)=0.01745^(c) , then tan 44^(@)~~...

If 1^(@)=0.01745^(c) , then tan 47^(@)~~...

If 1^(@)=0.01745^(c) , then sin (30^(@) 3')~~...

cos 61^(@) , it being given that sin 60^(@) = 0.86603 and 1^(@) = 0.01745 radian.

If 1^(@)=0.01745^(c), sqrt3=1.732, then sin 32 ^(@)~~....

The approximate value of cos (60^(@) 40')," if "1^(@)=0.0175^(@), sin =60^(@)=0.8660 is

Find the approximate values of : cos(60^(@)30')," given "1^(@)=0.0175^( c )" and "sin60^(@)=0.8660 .

Using differential find the approximate value of cos 61, if it is given that sin 60^(@) 0.86603 and 1^(@) = 0.01745 radians.

"(1) "sin60^(@)cos30^(@)+sin30^(@)cos60^(@)

The value of (cos 0^(@) + sin 45^(@) + sin 30^(@)) (sin 90^(@) - cos 45^(@) + cos 60^(@)) is