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

The ability to charter banks is an example of a ________ power
A recursive arithmetic sequence is defined ad f(1)=6, f(n+1)=f(n)+5 for n>1. The first four terms of the sequence are shown in the table. Write an explicit f
What is the factored resulting perfect trinomial for x squared + 14x?
How do you say this in spanish Hi how are you? Can I invite you to dinner?
A club decides to sell t-shirts for $15 as a fundraiser. It cost $20 plus $9 per t-shirt to make the t-shirts. Write and solve an equation to find how many t-sh
Express the set of real numbers between but not including 2 and 5 as follows.
Please help. I am stuck on this algebra question: A homeowner wants to increase the size of his deck that now measures 15 feet by 18 feet. His homeowner's assoc
Which of the following minerals is beneficial to plants? a. Nitrogen c. Aluminum b. Mercury d. Limestone
What did noble women contribute to medieval warrior society?
What does the equation y = x2 represent as a curve in the set of real numbers2?