Math, asked by SADDAM9701, 1 year ago

If sec a - cos a = 3/2 (a is a positive acute angle), then sec a is equal to

Answers

Answered by prem33
0
sec a - 1/ sec a =3/2
after simplification we get
2 sec^a - 3 sec a -2 = 0
factorise it
sec a = 2
since sec 60 = 2
so a = 60 Ans.
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