Trigonometric Value table

Without using trigonometrical tables; prove (sin theta)/(sin(90-theta))+(cos theta)/(cos(90^(@)-theta))=sec theta*cosec theta

Values OF trigonometric ratio's for some specific angles Degree,0,30,45,60,&90 degree with proOF derivation || Trigonometric table highlights

Without using trigonometric table, the value of cotthetatan(90^(@)-theta)-sec(90^(@)-theta)"cosec"theta+sin^(2)65^(@)+sin^(2)25^(@)+sqrt3tan5^(@)tan85^(@) .

Trigonometric value of complementary angle

Trigonometric values for some special angle between 0^(@) to 90^(@)

Using the trigonometric table and evalute (a) sin^(2)45^(@)+cos^(2)45^(@) (b) sec^(2)30^(@)-tan^(2)30^(@)

Without using trigonometric tables.Find the value of (cos70)/(sin20)+cos57*cos ec33-2cos60

Calculate without using trigonometric tables: (a) 4cos20^(@)-sqrt(3)cot20^(@)

Without using trigonometric tables, show that (cos 70^(@))/( sin 20^(@)) + cos 49^(@) cosec41^(@) = 2