Question

2] The value of (sec2 60° - 1) is
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Answer 1

Answer:

3

Step-by-step explanation:

sec²A - tan²A = 1

sec²A - 1 = tan²A

therefore, sec²60 - 1 = tan²60

= (√3)² (since, tan60=√3)

= 3

Answer 2

I hope you are understand.