bidhanbohora bidhanbohora
  • 25-04-2024
  • Mathematics
contestada

(cosA+Sina) ^2 + (cosa-Sina)^2​

Respuesta :

Itz5151
Itz5151 Itz5151
  • 25-04-2024

Step-by-step explanation:

(cosA+SinA) ^2 + (cosA-SinA)^2

  • (a+b)² = a²+b²+2ab and (a-b)² = a²+b²-2ab

cos²A+2sinA*cosA + sin²A + cos²+sin²-2sinA*cosA

  • cos²A+sin²A = 1

1+1 = 2

Answer Link

Otras preguntas

During the fight or flight mode, which statement is true? * THE ANSWER IS NOT B* A. Digestion improves, heart rate, blood pressure, and blood s
People who do not take the time to show interest in others are: A.morbid. B.strong-willed. C.self-involved. D.morose.
Solve for x. The triangles in each pair are similar.
Why did many former colonies often experience difficulties when they achieved independence? Include information from the lesson and the documents to support you
Use if fossil fuels has increased the total amount of carbon int the carbon cycle True or false
La señora _____________ es la profesora de español.
For the line that has the equation 4x1 + 8x2 = 88, an axis intercept is:
The Andersons can set up 6 tables in 1 hour. How many tables can they set up in 5 hours?
What does the law of conservation say about matter?
I will give all my points if you answer this question your genius write a paragraph on animal survey grade 9