malaitep7 malaitep7

23-05-2020
Mathematics

contestada

cos 15º cos 60° + sin 15° sin 60°
find exact value

Respuesta :

MathPhys MathPhys

23-05-2020

Answer:

½√2

Step-by-step explanation:

Use angle difference formula.

cos(x − y) = cos x cos y + sin x sin y

cos(60° − 15°) = cos 60° cos 15° + sin 15° sin 60°

cos(45°)

½√2

Answer Link

Otras preguntas

4(3) / 4(8) +.9(7.8 x 7.45)

Wright in point-slope form, slope-intercept form and in standard form an equation that passes through (-1, 2) with slope 4

3- What happened on pgs 34-36 that clearly upset Montag?

Reread the poem. Look at the details in each stanza and write one to two sentences explaining the central idea of the poem

A shopkeeper sold 20 mobile sets of same brand for Rs 3,00.0000 at the same rate in a week What is the selling price of each mobile set

What if the light intensity was 1000, but the only available wavelengths was 400. What do you predict would happen to the ATP production, and why?

Pharoah Company has identified that the cost of a new computer will be $40000, but with the use of the new computer, net income will increase by $3000 a year. I

________ is a high-frequency transmission medium that has a single solid-copper core.

solve these linear equationx + 4y = 163x + 5y = 27

Although the chernobyl plant was located in ukraine, much damage from the reactor meltdown occurred in this soviet republic bordering ukraine on the north?