BirbalRai BirbalRai
  • 15-08-2019
  • Mathematics
contestada

((sinA.cosB+cosA.sinB)^2)+(cosA.cosB-sinA.sinB)^2=1answer please ​

Respuesta :

kosala1478
kosala1478 kosala1478
  • 15-08-2019

Step-by-step explanation:

((sinA.cosB+cosA.sinB)^2)+(cosA.cosB-sinA.sinB)^2=1

LHS

=(sin 2A)^2 + (cos 2A)^2

=sin^2 2A + cos ^2 2A

=1

=RHS

(because sin^2#+cos^2#=1)

Answer Link

Otras preguntas

Primavia Textiles Inc. is opening a new manufacturing facility. Cathy, a manager, has to deliver a speech at the opening ceremony of the facility about the goal
What are the components of a hot section inspec?
please help will mark brainliest!!
A cubic meter of water has a mass of (1×103 ) kilograms. A large swimming pool at a community center holds a mass of approximately (3×106 ) kilograms of water w
Functions of language
You are at the grocery store with the following shopping list: 200g salt 250g blue cheese 3 packs of spaghetti you looked around for the prices of the items and
Functions of language
Sometimes it is acceptable to only give the name? a) True b) False
An 11-year-old boy presents to his pediatrician because his mother is concerned that he has been limping for the past 3 days. He states that he is limping becau
A point charge of 5.0×10⁻⁷C moves to the right at 2.6×105m/s in a magnetic field that is directed into the screen and has a field strength of 1.8×10⁻²T. What is