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Tresset [83]
3 years ago
15

What basic trigonometric identity would you use to verify that (sin² x + cos² x/cos x) = sec x?

Mathematics
1 answer:
Reika [66]3 years ago
5 0
C because when you solve thats whaat you get

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The product of 2x + y and 5x – y + 3 is 10x^2+ 3xy + 6x - y^2 + 3y

Step-by-step explanation:

The product of the two expressions can be expressed mathematically as;

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To obtain the product of these expressions, we simply expand the brackets as follows;

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