Please can someone help me please.
cos alpha= sin (alpha_ 10°).​

The tangent of an angle is not which of the following? a) ratiob) proportionc) fractiond) opposite over adjacent

State if the two triangles are congruent. if they are, state how you know?

What sums are equal to 6/12? choose all answers that are correct a.6/12+6/12+6/12+6/12+6/12+6/12 b.2/12+1/12+1/12+2/12 c.5/12+1/12 d.1/12+1/12+1/12+3/12 plz : )