Elementary Trigonometry

1+cos 1+cot² 1+sin 1+tan A-sin A+cos A+cos² A+sin a+ß A+tan ad+bc angle of depression angle of elevation B-sin B+cos B+sin boundary line centre Circular Functions circumcircle cos A cos cos² cos³ cosec cosine cot A+cot cot² cyclic quadrilateral decimal equal ex-central triangle Example Express find the distance find the height Find the numerical Find the value flagstaff following identities formula geometrical given graph Hence horizontal plane inscribed logarithms mantissa Mean Differences miles negative observer OX revolve pedal triangle perpendicular polygon positive Prove the following quadrant radian measure radians radius vector regular polygon right angles right-angled triangle sec² shew sides Similarly sin sin sin sin² solve the triangle starting from OX subtends an angle Tables tan² tangent tower triangle ABC trigono trigonometrical functions trigonometrical ratios yards π π