Trigonometry- missing angles

Front

What is the definition of a missing angle in trigonometry?

Back

A missing angle in trigonometry refers to an angle in a triangle or a right triangle that needs to be calculated using known values, such as the lengths of sides or other angles.

Front

What is the sum of angles in a triangle?

Back

The sum of the interior angles in a triangle is always 180 degrees.

Front

How do you find a missing angle using sine?

Back

Front

How do you find a missing angle using cosine?

Back

Front

How do you find a missing angle using tangent?

Back

Front

What is the relationship between the angles in a right triangle?

Back

In a right triangle, one angle is 90 degrees, and the sum of the other two angles is 90 degrees.

Front

If one angle in a triangle is 60 degrees and another is 30 degrees, what is the missing angle?

Back

The missing angle is 90 degrees, since 60 + 30 + 90 = 180.

Front

What is the formula to find the angle in a right triangle when two sides are known?

Back

Front

What is the sine of 30 degrees?

Back

The sine of 30 degrees is 0.5.

Front

What is the cosine of 60 degrees?

Back

The cosine of 60 degrees is 0.5.