1 minus tan square by cos square minus 1 is equal to tan square
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2
Answer:
THE ANSWER IS
1-tan²/cos²-1=tan²
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0
Step-by-step explanation:
(1-tan^2a)/(cot^2a-1)
(1-tan^2a)/(1/tan^2a-1)
tan^2a(1-tan^2a)/(1-tan^2a)
=tan^2a
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