Question

5 tan ² A - 5 sec ² A + 1 is equal to___​

Answer 1

Answer:

-4

Step-by-step explanation:

5tan^2A - 5sec^2A + 1

Since     sec^2A - tan^2A = 1

5[tan^2A - sec^2A] + 1

-5 + 1

-4

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Answer 2

Answer:

5( tan^2 A - (1+tan^2A))+ 1

5(tan^2 A - 1 - tan^2 A) + 1

5(-1)+1

-4

Ans