as 800 * cos 59 ° cosec 31 ° without 10 °

Evaluate 3 cos 80 ^(@) cosec 10 ^(@) + 2 cos 59 ^(@) cosec 31 ^(@)

Evaluate : 3 cos 80^@ cosec 10^@ + 2 cos 59^@ cosec 31^@

Prove that : (i) (sin 70^@)/(cos 20^@)+(cosec 20^@)/(sec 70^@)-2cos 70^@cosec 20^@=0 (ii) (cos 80^@)/(sin 10^@)+cos 59^@cosec 31^@=2 (iii) (2 sin 68^@)/(cos 22^@)-(2 cot 15^@)/(5 tan 75^@)-(3tan 45^@tan 20^@tan 40^@tan 50^@tan 70^@)/(5)=1 (iv) (sin 18^@)/(cos 72^@)+sqrt(3) (tan 10^@ tan 30^@tan 40^@tan 50^@tan 80^@)=2 (v) (7cos 55^@)/(3 sin 35^@)-(4(cos 70^@cosec 20^@))/(3(tan 5^@tan 25^@tan 45^@tan 65^@tan 856^@))=1

What is the value of /का मान क्या है? [(sin 59^@ cos 31^@+ cos 59^@ sin 31^@) div (cos 20^@ cos 25^@- sin 20^@ sin 25^@)]

Evaluate : cosec59^@-sec31^@ .

If A + B + C = pi , prove that cos A cosec B cosec C + cos B cosec C cosec A + cos C cosec A cosec B = 2 .

The value cosec(67^@ +theta)-sec (23^@ -theta)+cos 15^@ cos35^@ cosec 55^@ cos60^@ cosec 75^@ is: cosec(67^@ +theta)-sec (23^@ -theta)+cos 15^@ cos35^@ cosec 55^@ cos60^@ cosec 75^@ का मान है :

Prove that: cos ( cos^(-1) x) = cosec ( cosec^(-1)x).

Show that (cot A - cos A)/(cot A + cos A) = ( cosec A - 1)/(1 + cosec A)