Construct angles of ` 180^@`, ` 240^@`, ` 300^@`.

tan 240^@ =

Find the conjugate angles of 180^@

Value of cos 240^@=

Find the values of sec 240^@ , tan 750^@ , cosec 300^@ .

Construct an angle of 180^@ without using protractor.

Construct a triangle with angles 105^@ and 95^@ and a side of length of your choice. Could you construct the triangle? Discuss and justify.

Construct an angle of 120^@ with using protractor .

Find the conjugate angles of 300^@

Construct angle DEF = 60^@ . Bisect it, measure each half by suing a protractor.

Value of cos240^@