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 comparative form of adjectives compares A. At least a dozen different items. B. The past to the present. C. Two things or people. D. More than two things o
Salvation can only be an act of individual works. True False
7. A cheetah ran 300 feet in 2.92 seconds. What was the cheetah’s average speed in miles per hour? Show your work.
What does the word in quotations mean in the following sentence? Der "Schmetterling" ist schön. A. cauliflower B. butterfly C. house D. apartment
what contributed to the revolution in Spanish america
describe two ways to solve the equation 2(4x-11)=10
what is the circumference of a bicycle tire of 28 inches
Replace the direct object with the correct direct object pronoun.ana lee un libro en la biblioteca. a.ana los lee en la biblioteca. b.ana lee la en la bibliotec
How did the government encourage the idea of Manifest Destiny?
what is an apple describe in a sentence