(a) An angle is recorded as . Convert it to a decimal–degree measure correct to two…

MATHEMATICS · Subjective · CBSE · Mathematics · Trigonometric Functions · Trigonometric Functions

Problem

(a) An angle is recorded as

-15^{\circ}\,23'\,41''

. Convert it to a decimal–degree measure correct to two decimal places. (b) A second angle is

42^{\circ}\,18'\,0''

. Find the difference

\bigl(42^{\circ}\,18'\,0''\bigr)-\bigl(-15^{\circ}\,23'\,41''\bigr)

and express the result in decimal degrees correct to the nearest hundredth.