Answer the following:State the signs of:`cosec520^@`

Answer the following:State the signs of: cot1899^@

Answer the following:State the signs of: sin986^@

State the signs of cot 230^@

State the signs of cot573^@

Answer the following questions: State the sign convention for reflection of light (image formation) by a spherical mirror. Draw the appropriate diagram.

State the signs of sec 468^@

State the signs of sin675^@

Answer the following : State the requirements of poultry farm management.

Answer the following : State three laws of reflection of light .

Answer the following : State the laws of reflection of light .