Prove -:(1+cot A- cosec A)(1+tan A+ sec A)=2.

1.	Prove -:(1+cot A- cosec A)(1+tan A+ sec A)=2.
Answer» (1+cos¢\\sin¢-1/sin¢) (1+sin¢/cos¢+1/cos¢) =sin²¢+cos²+2sincos¢-1÷cos¢sin¢ =1+2sincos¢-1÷sin¢cos¢ =2

Discussion