English, asked by bk527736, 3 months ago

if cosA=2/3 .find 2sec^2A+2tan^A-9​

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Answers

Answered by drishyaravindra
1

Answer:

If cosθ=  

3

2

​  

, then the value of 2sec  

2

θ+2tan  

2

θ−7 is equal to 0

Explanation:

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