Seudónimo Seudónimo
  • 04-04-2020
  • Mathematics
contestada

If sin A= 0.29, cos A= 0.96, sin B= 0.42, and cos B= 0.91, what is sin(A+B)?
a) 0.67
b) 1.00
c) -0.14
d) 0.71

Respuesta :

CHERLYNnotCHERRY
CHERLYNnotCHERRY CHERLYNnotCHERRY
  • 04-04-2020

Answer:

The answer is A.

Step-by-step explanation:

Using the formula, sin(A+B) = sinAcosB + cosA sinB :

sin(A+B) = (0.29×0.91) + (0.96×0.42)

= 0.2639 + 0.4032

= 0.67 (2.dp)

Answer Link

Otras preguntas

if the secondary consumers is one of the food chains used 4200 kcal, what amount of energy was absorbed by the producers?
Who developed an action-centered model of authentic leadership?
Match each satirical quote to its real meaning. Tiles criticizes the subject for having abundant knowledge of the world but low self-awareness criticizes the s
What portion of a data set is found in the box, of a box and whisker plot? 25% 50% 75% or 100%
How should Malian organize her speech topically, spatially, temporarily or sporadically
The author’s purpose in “The Problem that Has No Name” is to _____.
456 students participated in switch day the students raised money for charity so that the principal would approve of the day if the total amount of money raised
point M(4,3) is translated according to the rule (x,y,) to (x + 2,y -5
How did federal action regarding AFDC create fiction between states and the federal government?
Tamara practiced piano for 70 minutes on Tuesday. That is 7 times as long as she practiced on Monday. How long did she practice on Monday . Draw an array to