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Example 2 Find the six trigonometric functions of the angle B= -135 degrees. Solution Note that the clockwise angle - 135 degrees equals ----135 ( /180 ) = -3/4 radians, an angle in the third quadrant. From the triangle in the above diagram we see that:.
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Example 2 Find the six trigonometric functions of the angle B=-135 degrees. Solution Note that the clockwise angle -135 degrees equals ----135(/180) = -3/4 radians, an angle in the third quadrant. From the triangle in the above diagram we see that: