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cot theta tan(90^@-theta)-sec(90^@-theta...

`cot theta tan(90^@-theta)-sec(90^@-theta)cosec theta+sqrt3 tan12^@ tan 60^@ tan78^@=2`

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The value of cot theta.tan (90^@ -theta)-sec(90^@ - theta) cosec theta+ (sin^2 25^@+sin^2 65^@) +sqrt3(tan 5^@ tan15^@.tan30^@.tan75^@.tan85^@) is

tan theta+(1)/(tan theta)=sec theta cosec theta

tan^(2)(90^(@) - theta) - cosec^(2) theta =

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

tan theta+tan(90^(@)-theta)=sec theta xx sec(90^(@)-theta)

(tan(90^@-theta) cot theta)/(cosec^2 theta)-cos^2 theta=0

" (2.) "tan theta+cot theta=sec theta cosec theta

Prove that: cot theta + tan theta = cosec theta sec theta .

What is the value of (cosec(78^@+ theta)-sec(12^@-theta)-tan(67^@+ theta)+cot(23^@-theta))/(tan13^@ tan37^@ tan45^@ tan53^@ tan77^@) ? (cosec(78^@+ theta)-sec(12^@-theta)-tan(67^@+ theta)+cot(23^@-theta))/(tan13^@ tan37^@ tan45^@ tan53^@ tan77^@) का मान क्या होगा ?