xlajbd
xlajbd xlajbd
  • 02-02-2019
  • Mathematics
contestada

The value of cos 30° is the same as which of the following?

Respuesta :

eric271828
eric271828 eric271828
  • 02-02-2019
cos 30 can be written as 1/2. If you are not sure, you can use subtraction formula: sin(A-B) = sinAcosB - cosAsinB
Answer Link

Otras preguntas

Three charged particles of charges 3 μC, -2 μC, and 4 μC are placed on the X-Y plane at (1 cm, 0), (2.5 cm, 0), and (1 cm, 2 cm) respectively. Determine the mag
The first part of me is a month, while the rest of me is in the air. What am I? I NEED THIS ANSWER QUICK (riddle)​
Name and explain TWO factors that contribute to a detrimentalrelationship.​
How is enery produced in the son?​
Solve the Linear-Quadratic System of Inequalities. Shade the solution on the graph provided. y > x^2 - 1 -1/2x + 3 < y
How many significant figures are there in a length measurement of: 0.042 cm?
Choose the type of variation that relates the variables in the table. A.) combined variationB.) Joint variationC.) inverse variationD.) direct variation​
Explain why silicon dioxide does not conduct electricity.​
Please help fast I have a exam
What Are the causes for students to drop-out From University​