Question

please answer this question​

Answer 1

Answer:

Step-by-step explanation:

[tanA(1-secA) - tanA(1+secA)]/-tan^2A

= [tanA - tanAsecA - tanA - tanAsecA]/-tan^2A

= 2 tanA secA /tan^2A

= 2 secA / tanA

= 2/sinA

= 2cosecA

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