2 years ago

Help asap please !!!!!

Mathematics

1 answer:

professor190 [17]2 years ago

3 0

Answer:

144

Step-by-step explanation:

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if the corresponding sides of 2 quadrilaterals are propotional, then the 2 quadrilaterals must be similar

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Prove the identity secxcscx(tanx+cotx)=2+tan^2x+cot^2x

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Hello,

$sec(x)= \dfrac{1}{cos(x)} \\

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$
==============================================================
$2+tg^2(x)+cotg^2(x)=2+ \dfrac{sin^2x}{cos^2x} + \dfrac{cos^2x}{sin^2x} \\

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