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kifflom [539]
4 years ago
5

Please explain your answer. THX!!!

Mathematics
1 answer:
patriot [66]4 years ago
4 0

Answer:

tan(5x/8)

Step-by-step explanation:

given expression

\frac{tan(1/2x)+tan(1/8x)}{1-tan(1/2x)tan(1/8x)}

Using the trigonometric identity

tan(a+b)= \frac{tan(a) + tan(b)}{1-tan(a)tan(b)}

here a= 1/2x and b=1/8x

putting the values we get

=tan(1/2x+1/8x)

=tan(5/8x)!

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