Question

(ii) sin A cos A -
sin A cos (90° – A)cos A
sec (90° - A)
cos A sin (90° -- A) sin A
-
cosec (90° - A)
= 0​

Answer 1

Step-by-step explanation:

sin A cosA-sinAsinAcosAcosecAcosAcosAsinA-secA

sinAcosA-sin²Acos³A-secA

Answer 2

Step-by-step explanation:

first we should solve the braket ones than other