sin (95 deg) = 0.9962
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The sine of 1 (rad) is 0.8414709848078965066525023216303.The sine of an angle of 1 degree (from the computer's calculator) is 0.017452406 (correct to 9 decimal places).
sin(30) = 1/2
A 95 degree angle is an obtuse angle
Yes, the sine, cosine and tangent are integral to problem solving (angles and side lengths) in right angle triangles (triangles with a 90 degree angle included).
You can calculate that on any scientific calculator. Just make sure that the calculator is set to "degrees". As a check, the sine of 90° should come out as exactly 1.