2 years ago

Sin³xcosx+sinxcos³x=sinxcosx

Mathematics

1 answer:

Svetllana [295]2 years ago

6 0

Answer:

Step-by-step explanation:

$sin^3xcosx+sinxcos^3x\\=sinx cosx(sin^2x+cos^2x)\\=sinx ~cosx(1)\\=sin~x~cos~x$

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Gareth 30 students in a class and the ratio of boys to girls in the class is 2:3 calculate the number of goals

pishuonlain [190]

Answer:

<em>There are 12 boys and 18 girls</em>

Step-by-step explanation:

<u>Equations</u>

There are 30 students in a class. Let's call:

x = number of boys

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30 - x = number of girls

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