Math, asked by alomsaiful1995, 1 day ago

Find the value of 9Sec2A - 9tan2A

Answers

Answered by jitendra12iitg

0

Answer:

The answer is 9

Step-by-step explanation:

Formula: $\sec^2\theta-\tan^2\theta=1$

Therefore $9\sec^2A-9\tan^2A$

$=9(\sec^2A-\tan^2A)\\=9(1)=9$ using above formula

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