1.- First symbol
2.- First symbol
3.- First symbol
cos(2x+x)
=cos (2x)cosx-sin(2x)sinx
=(1-2sin^2x)cosx-2sinxcosx*cos x
=cos x-2 sin ^2 x cos x-2 sin^2 xcos x
=cos x-4sin^2 x cos x
=cos x {1-4(1- cos ^2 x)}
=4 cos ^3x -3 cos x
Given:
Granny Apples charge $12 for 6 pounds of apples.
Wilson' Apples charges $15 for 5 pounds of apples.
To find:
Which apple company provides a better deal.
Solution:
We need to compare unit price of both companies.
Unit price of Granny Apples,
Unit price of Wilson Apples,
Since, per unit price of Granny Apples is less than Wilson Apples, therefore Granny Apples provides a better deal.
Answer:the answer is 27
Step-by-step explanation:
Answer:
<h2>
</h2>
Step-by-step explanation:
(–3s + 2t)(4s – t)
= -3s (4s - t) + 2t(4s - t)