`((sin 27^(@))/( cos 63^(@)))^(2)-(( cos 63^(@))/( sin 27^(@)))^(2) ` का मान ज्ञात करो ।

Evaluate sin 27 ^(@) sin 63 ^(@) - cos 63^(@) cos 27 ^(@)

cos57^(@)+sin27^(@)=

Solve the following: ((sin 27^@)/(cos 63^@))- ((cos 27^@)/(sin 63^@))^2

Evaluate sin63^(@)cos27^(@)+cos63^(@)sin27^(@)=

" (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 [(sin^2 24^@+sin^2 66^@)/ (cos^2 24^@+cos^2 66^@)+sin^2 61^@ + cos61^@.sin29^@] is: / [(sin^2 24^@+sin^2 66^@)/ (cos^2 24^@+cos^2 66^@)+sin^2 61^@ + cos61^@.sin29^@] का मान ज्ञात करें |

(cos ec ^ (2) (63 ^ (@)) + tan ^ (2) (24 ^ (@))) / (cot ^ (2) (66 ^ (@)) + sec ^ (2) (27 ^ (@))) + (sin ^ (2) (63 ^ (@)) + cos (63 ^ (@)) sin (27 ^ (@)) + sin (27 ^ (@)) sec (63 ^ (@))) / (2 [cos ec ^ (2) (65 ^ (@)) - tan ^ (2) (25 ^ (@))])