How do I find the sec of theta of 2.1609?

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How do I find the sec of theta of 2.1609? I am allowed to use my calculator. Please help thanks

sec theta sign = 2.1609

2006-09-19 17:15:12 · 2 answers · asked by yeppperz 1 in Science & Mathematics ➔ Mathematics

sec = 1/cos

Use the cos button, then x^-1 or 1/x.

2006-09-19 17:17:14 · answer #1 · answered by dutch_prof 4 · 0⤊ 0⤋

Sec x =2.1609
Therefore
1/cos x =2.1609
cos x =1/2.1609
x =Cos^-1{1/2.1609}
x =62.43399533 degrees= 62.4 degrees

2006-09-20 03:18:50 · answer #2 · answered by Amar Soni 7 · 0⤊ 0⤋