`2(cos67^(@))/(sin23^(@))-(tan40^(@))/(cot50^(@))+cos 0^(@)` का मान ज्ञात कीजिए।

(cot50^(@))/(tan40^(@))

Without using Trigonometric tables, evaluate:- 2(cos67^@)/(sin23^@)-(tan 40^@)/(cot50^@)-sin90^@ .

" (8) "int(sin^(2)x-cos^(2)x)/(sin^(2)x cos^(2)x)dx" का मान ज्ञात कीजिए। "

Find the value of (cos^2 30^@-sin^2 30^@)/(sin^2 15^@+cos^2 15^@) . (cos^2 30^@-sin^2 30^@)/(sin^2 15^@+cos^2 15^@) का मान ज्ञात कीजिए।

The value of (2 sin^2 38^@ sec^2 52^@+ cos64^@ sin26^@+ sin^2 64^@)/(tan^2 23^@+cot^2 23^@-sec^2 67^@-cosec^2 67^@) is: (2 sin^2 38^@ sec^2 52^@+ cos64^@ sin26^@+ sin^2 64^@)/(tan^2 23^@+cot^2 23^@-sec^2 67^@-cosec^2 67^@) का मान ज्ञात कीजिए?

The value of (2sin40^(@).sin50^(@).tan10^(@))/(cos 80^(@)) is

The value of (2sin40^(@).sin50^(@).tan10^(@))/(cos 80^(@)) is

The value of (2sin40^(@).sin50^(@).tan10^(@))/(cos 80^(@)) is

Find the value of (Cos30^@-sin30^@)/ (Sin60^@+Cos60^@) (Cos30^@-sin30^@)/ (Sin60^@+Cos60^@) का मान ज्ञात करें ।

Without using Trigonometric Tables evaluate the following :- (2cos67^@)/(sin23^@)-(tan40^@)/(cot50^@)-cos0^@+tan15^@tan25^@tan60^@tan65^@tan75^@ .