`sin 405^@` =

Write the following in ascending order of its values <> sin 100^@ , sin0^@ , sin 50^@ , sin 200^@ .

Prove that sin 600^@cos 330^@+cos 120^@sin 150^@+sin 180^@cos 180^@ = -1

Find sin 50^@cos 10^@+cos50^@sin10^@

What is the value of sin^-1(sin160^@) ?

The side of a cube is measured as 3.405 cm. How many significant figures are there in the mesurement.

The side of a cube is measured as 3.405 cm. If the percentage error in the measurement of the side of the cube is 3%, find the percentage error in its volume.

A can contains 4.05 litres of coconut oil. It must be filled in to 0.45 litre bottles. How many bottles are needed?

Prove that sin10^(@)+sin20^(@)+sin40^(@)+sin50^(@)=sin70^(@)+sin80^(@) .

Prove that sin10^(@)sin30^(@)sin50^(@)sin70^(@)=1//16 .