camcam16 camcam16
  • 11-05-2016
  • Mathematics
contestada

Complete the following statement: If sin(30)=½, then the cos( ___)=½.

Respuesta :

Аноним Аноним
  • 11-05-2016
Sin A=Cos (90º-A)

Then:
sin 30º=cos (90º-30º)=Cos 60º=1/2

Answer: cos 60º=1/2
Answer Link

Otras preguntas

A discount store has a video game for $76.95.A retail store has the same game for $99.00 with 20% markdown at checkout.which store is offering the best buy?
Mountains can affect climate by creating rain shadows T or F
13/15 in simplest form
Which rights for citizens appear in the English Bill of Rights? Check all that apply.
Which of the following are not true about gene ? Check all that apply
Which of the following statements is NOT true regarding smoking and pregnancy?
Dion is reading a myth. He wants to learn about the cultural context of the myth-tellers. To do so, he will write a question about each of the four aspects of c
My friend sets out walking at a speed of 3 miles per hour. I set out behind her 5 minutes later at 4 miles per hour. When I start walking, how many miles has m
what is Calhoun referring to when he says "the relation now existing...between the two?"
People who were of European ancestry that were born in the Americas were called _____. A. Peninsulares B. Mestizos C. Creoles D. Mulattoes