" 7.) Evaluate "(sin^(2)25^(@)+sin^(2)65^(@))+sqrt(3)|tan5times tan15times tan30^(@)

Evaluate : sin^(2)25^(@)+sin^(2)65^(@)+sqrt(3)tan5^(@)tan15^(@)tan30^(@)tan75^(@)tan85^(@)

Evaluate : sin^(2)25^(@)+sin^(2)65^(@)+sqrt(3)tan5^(@)tan15^(@)tan30^(@)tan75^(@)tan85^(@)

Evaluate: cos^(2)25^(@)-sin^(2)65^(@)-tan^(2)45^(@)

Without using trigonometric table, evaluate the following: (sin ^(2) 25 ^(@) + sin ^(2) 65^(@))+sqret3 (tan 5 ^(@). Tan15^(@).tan30^(@).tan75^(@).tan85^(@))

Evaluate tan20^(@)tan25^(@)tan65^(@)tan70^(@) .

Evaluate tan20^(@)tan25^(@)tan65^(@)tan70^(@) .

Evaluate: tan5^(@)tan25^(@)tan30^(@)tan65^(@)tan85^(@)

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

Find the value of : (sin30^(@)-sin90^(@)+2cos0^(@))/(tan30^(@) times tan60^(@))

Evaluate: (sec^(2)(90^(@) - theta)-cot^(2) theta)/(2 (sin^(2) 25^(@)+sin^(2) 65^(@)))+(2 sin^(2)30^(@)tan^(2) 32^(@) tan^(2)58^(@))/(3(sec^(2)33^(@)-cot^(2)57^(@))) .