, 26.02.2020 16:10, Vanshikachilkoti10

# If theta+=45prove that (cot theta -1)(cot -1)=2

### Other questions on the subject: Math

For what value of p, x= 2 and y = 3 is a solution of the equation ( p + 1 ) x – ( 2 p + 3 ) y – 1 = 0 and write the equation ( p = -2, sub. p eqn. is x – y+1 = 0 )
Math, 18.08.2019 18:00, sandhu2840
$$\sqrt{ \frac{x}y} + \sqrt{ \frac{x}{y} } = \frac{10}{3} find \: the \: value \: of \: xy$$​
Math, 19.08.2019 04:00, Vsinghvi
List all the perfect numbers from 20 and 40 and what are perfect numbers​