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

What’s the answer for #5 everyone keeps putting different answers
Because the criminal justice system of the state of Cadmia has focused on the efficient arrest and conviction of criminal offenders, the crime rate in Cadmia ha
Triangles MOP and MNQ are similar. Find x. 2 3 4 5
What is the purpose of federal tarrifs
Which is an example of how non-European cultures made the era of European exploration possible? European explorers relied on African, Asian, and Native American
What is a simplified expression for the perimeter of the polygon?
Can someone help me on a.) and b.) please... Thanks so much!!!
Reflect D(3,3) E(0,5) and F(-2,2) on the x axis and then lable them D' E' and F'​
What is the simplified expression for 5ab + 9ab - ab?
3) Calculate the size of each exterior angle in: (a) a regular 9-sided polygon (b) a regular 40-sided polygon