Math, asked by bushrafatimakhan49, 1 month ago

10 sec^2 A - 10 tan^2 A is equal to
A. 1
B.9
C.10
D.-10​

Answers

Answered by sfybhx1378
1

Answer:

sec²A-tan²A = 1

10sec²A-10tan²A = 10(sec²A-tan²A) = 10×1 = 10.

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