chloexvz chloexvz
  • 03-04-2020
  • Mathematics
contestada

Use a sum or difference identity to find an exact value cos(15 degrees)

Respuesta :

Gidget2024
Gidget2024 Gidget2024
  • 03-04-2020

Answer: i tried

cos(15)=1+√32√2. cos(15)=cos(45−30)

Answer Link
AlienFlo
AlienFlo AlienFlo
  • 16-03-2021

Answer:

[tex]\frac{\sqrt{2}+\sqrt{6}}{4}[/tex]

Step-by-step explanation:

PLATO

Answer Link

Otras preguntas

Simplify the expression 2(-8x-3)+18x
Solve the combined inequality. Jasmin plans to buy at least 8 gallons of gas but no more than 14 gallons of gas. The cost of gas with tax is $3.81 per gallon. W
HELP DUE IN 25 MINUITES Two angles are supplementary, and one angle is 4 times larger than the other. Let x be the measure of the smaller angle (in degrees). Le
Whether or not an object becomes real estate depends on whether the object was affixed or installed with
choose the system of inequalities that matches the graph
Indicate below wether the equation in the box is true or false 2/5= 4/7
How many straight-chains alkynes have the molecular formula C7H12?
Describe a way to check the correctness of a subtraction answer.
When President Reagan says, “Nancy and I are pained to the core by the tragedy of the shuttle Challenger” he is: A. Creating a feeling of unity to show how ever
10. Analyze In your career, do you think you would prefer to work primar- ily with people, information, or technology?