wwwbhattaraidilip62
wwwbhattaraidilip62 wwwbhattaraidilip62
  • 13-03-2021
  • Mathematics
contestada

prove that
3/4cos3A=cos3A+cos^3(120+A)+cos^3(240+A)​

Respuesta :

sampannapaudel75 sampannapaudel75
  • 13-03-2021

answer would be

1/ cosecA + 1/ secA

Answer Link

Otras preguntas

Please help ASAP. Need it for homework
Why was building the aswan dam was a good idea?
A food chain acts like any system; when one part changes, the rest of the system is effected. Which statement BEST describes a relationship between the organ
what is the total distance in yards to make 3 trips from the house to the store and back in one week 1 mile = 1760 yards
if triangle ksd~wat, what is the measure of w? Let K=16, D=34 and T=51
Blank was/were established to settle disputes between the states A.) the executive branch B.) central courts C.) the state department D.) the presidency
A doctor fails to detect or disclose painful birth defects in time to permit an abortion. Under what tort can the child sue?
Which is an example of an object acquiring a charge through friction? A. As you walk across a thick carpet, your body becomes charged. B. The air between a meta
Leader of the Khmer Rouge Founded in 1968 in Cambodia Who is described here?
The answer to the problem?