Evaluate each of the following`sin30^@+sec30^@xxtan60^@`

Evaluate each of the following: sin30^@xxcos45^@xxtan360^@

Evaluate each of the following: sin30^@+cos45^@+tan180^@

Evaluate each of the following cos0^@xxtan60^@+cot30^@

Evaluate each of the following cos30^@xxcot30^@-sec60^@

Evaluate each of the following 2cos30^@-sin270^@+(1)/(3)cos180^@

Select and write the correct answer from the given alternatives in each of the following:If sin(x-60^@)=2cos(x-30^@) ,then tanx=

Using tables evaluate the following: 4cot45^@-sec^2 60^@+sin 30^@

Evaluate the following: i^30 + i^40 + i^50 + i^60

Verify the following: (frac(tan60^@+sec60^@)(tan60^@-sec60^@))=-(7+4sqrt3)

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