Daisy R.

asked • 02/26/14

please please check my answers

18)Evaluate the sine cosine and tangent of the real number 
t=(4)(3.14)/3
 
My answer
Sin(t)=4/3
Cos(t)=3/4
Tan(t)=2/3
 
54)use a calculator to evaluate the expression.Round to the nearest hundredth 
Sec2.5
My answer
Sec 2.5=1/cos 2.5
=-1.67

2 Answers By Expert Tutors

By:

Parviz F. answered • 02/26/14

Tutor
4.8 (4)

Mathematics professor at Community Colleges

Amarjeet K. answered • 02/26/14

Tutor
4.6 (8)

Professional Engineer for Math and Science Turoring

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