kallale464 kallale464

06-04-2020
Mathematics

contestada

Simplify the expression using the appropriate identities. (Do not use calculator)
sin 9° cos 10°- cos 9º sin 10° =

Respuesta :

PollyP52 PollyP52

06-04-2020

Answer:

sin -1 degrees.

Step-by-step explanation:

sin (A - B) = sin A cos B - cos A sin B

Therefore sin 9° cos 10°- cos 9º sin 10° = sin (9 - 10)

= sin -1 degrees.

Answer Link

Otras preguntas

10. Mason earns $10 for each lawn he mows. How much will he earn if he mows 6 lawns? A. Write and solve an equation to solve the problem. Show your work.

Choose all the equations true. A. 9.21 × 103 = 921 B. 9.21 × 101 = 92.1 C. 0.921 × 100 = 921 D. 0.921 × 104 = 9,210 E. 0.0921 × 102 =9.21

is searching online for airline tickets. Two weeks ago, the cost to fly from to was 250$. Now the cost is 330 $. What is the percent increase? What would be

CaCN2 + 3H20 - CaCO3 + 2NH3 What is the percent yield if 15.5 g of NH3 is produced upon reaction of 65.5 g of CaCN2 and 451 g of water? The molar mass of CaCN2

On a large map 3 cm represents 45 km how many cm are needed to represent 600 kilometres on this map?

CAN SOMEONE PLEASE HELP ME? The three sides of a triangle are n, 3n+2, and 2n+10. If the perimeter of the triangle is 48m, what is the length of each side?

True or False the further away an object is the weaker the gravitational pull becomes

At a particular fast food restaurant, tacos cost $1.29 and burritos cost $2.19. Michael spent a total of $42.93 at the restaurant to buy food for a party. If he

Find the perimeter of the rectangle whose vertices are the points with coordinates (-2,5), (6,5), (-2,8), and (6,8).

THESE INDIANS ARE REALLYDOWNGRADING OUR NATION...MF.. TECH SUPPORT