Math, asked by chandrutrax, 9 months ago

Write the expression in simplest form = sec²A-cot²(90-A)

Answers

Answered by kniharikareddi

0

Answer:

1

Step-by-step explanation:

cot(90-a) = tan(a)

tan^2 A +1 = sec ^2 A

so,

sec^2 A - tan^2 A =1

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