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Complete the following statement. 2 1 - cos 20 tan^8 = 7+ cos29. so tan 6x = 2. 1- cos 20 tan?e=; 1+ cos 29. so tan 6x= 1 (Si
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Answer #1

tan? 6x = (tan 6x)

Put A = 6x

We get

1-cos2(6x) tan? 6x = 1 + cos2(6x) 1 - cos12x 1+ cos12x

Answer:

tan? 6x = 7 1 - cos12x 1 + cos12x

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