In the triangle below, b = if necessary, round your answer to two decimal places.

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.

Which statement justifies why angle ebc measures 90?

The trigonometric ratios sine and secant are reciprocals of each other