Which of the following is the value of `sec30^(@)` ?

Which of the following is the value of "sec" (-945^@) ?

Write the value of sec 30^(@) .

What is the value of ((1)/(2)-sec30^(@)) ?

Choose the correct answer in each of the following questions: (sec 30^(@))/("cosec"60^(@))=?

find the value sec−1[sec(−30)]=?

Evaluate each of the following : tan30^(@)sec45^(@)+tan60^(@)sec30^(@)

What is the value of ((1)/(2)) sec 30^(@) + sqrt2 tan 60^(@) ?

Evaluate each of the following :- (cosec^(2)45^(@)sec^(2)30^(@))(sin^(2)30^(@)+4cot^(2)45^(@)-sec^(2)60^(@))