How do I simplify sec210tan210 to an exact answerSolutionSol

How do I simplify sec²10°tan²10° to an exact answer?

Solution:

sec²(10) - tan²(10)

using identity 1+tan^2(x) = sec^(x)

1= sec^2(x) - tan^2(x)

here x =10

therefore

sec²(10) - tan²(10) = 1

answer: 1

How do I simplify sec210°tan210° to an exact answer?SolutionSolution: sec2(10) - tan2(10) using identity 1+tan^2(x) = sec^(x) 1= sec^2(x) - tan^2(x) here x =10

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