Shaunhtx Shaunhtx
  • 16-01-2020
  • Mathematics
contestada

2. Why does the sin Ɵ = cos (90 – Ɵ)?


Show steps

Respuesta :

fahadrazapcs
fahadrazapcs fahadrazapcs
  • 16-01-2020

Answer:

R.H.S:

= cos ( 90 - theta )

= cos (90) cos(theta) + sin(90) sin(theta)

= 0 + sin(theta)                                                       =>[ cos(90) = 0   ,  sin(90) = 1]

= sin(theta)

Answer Link

Otras preguntas

Karen says every equilateral triangle is acute. Is this true? Explain
what term describes one organism eating another organism?
What are structures that share a common evolutionary origin called? a. Homologous c. Vestigial b. Analogous d. Siblings
How would you explain what it means for two geometric shapes to be similar?
What is the fibonacci series?
Cells harvest energy from food molecules by _____.
What is the relationship between ATP and oxygen during cellular respiration? A. Oxygen is given off when ATP is produced in the mitochondria. B. Oxygen is produ
Why is it important to rename 4 1/4 if you subtract 3/4 from it
How did William III die? smallpox a fall from a horse beheading on the battlefield
The Indus River flows southwest into the Arabian Sea. a. True b. False