stewiegamerhd101 stewiegamerhd101
  • 01-08-2020
  • Mathematics
contestada

sinxcosy=1/2(sin(x+y)+cos(x-y))
True or False?

Thanks for the help!

Respuesta :

Adetunmbiadekunle Adetunmbiadekunle
  • 07-08-2020

Answer:

False

Step-by-step explanation:

To be able to answer this, we will need to make a reference to the sum and product formula.

What we have in the question is the product and we want to see if the sum correlates.

Using the sum formula, we have the value on the right hand side as;

(1/2)[sin(x+y)+sin(x-y)]

Seeing that the expression we have here is not equal to that which was given, we can conclude that the answer is false

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