Question

5 tan^2 A - 5 sec^2 A+1 is equal to :-
a) 6
b) -5
c) 1
d) -4​

Answer 1

Answer:

-4

Step-by-step explanation:

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Answer 2

Answer:

Opt. D ) -4

Step-by-step explanation:

5tan²A-5sec²A+1 = -5(sec²A-tan²A)+1

= -5(1)+1

= -4 Ans..