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

Please answer correctly,I'm struggling.
Please answer this correctly without making mistakes I want genius,expert or ace people to answer this correctly
Gene starts from home and travels 3 miles north to the shopping mall. From the shopping mall, he travels 2 miles west to the library. Then, from the library, he
Evaluate the expression for x = 3 :11 + (8 - x)2 - 20
if the pressure is 1.0 atm the volume is 22.4l the number of moles is 2.0 and the R value is 0.0821 L x atm/ mol x k what is the temperature
Find the common ratio 27,9,3,1,1/3
A gene pool consists of all the genes within a
Tanner and Teresa share income and losses in a 2:1 ratio after allowing for salaries of $45,900 to Tanner and $71,100 to Teresa. Net income of the partnership i
What energy transfer is used to determine the rate of primary productivity? A. Solar energy being converted into chemical energy B. Solar energy being converted
anil completes the 72km journey from bristol to cardif in 48 mins the then drives 69km to swansea from cardif at an average speed of 60km/h work out anils avera