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Popular >

sec^2((2pi)/3)

Solution

sec^{2} (\frac{2 π}{3})

Solution

4

Solution steps

sec^{2} (\frac{2 π}{3})

Use the following trivial identity:

sec (\frac{2 π}{3}) = - 2

= (- 2)^{2}

Simplify

(- 2)^{2} : 4

= 4

Popular Examples

sin(pi/6)+cos(pi/6)

sin (\frac{π}{6}) + cos (\frac{π}{6})

sin (\frac{π}{7})

arccot (- 4)

2 cos (\frac{7 π}{4})

2 sin (\frac{3 π}{4})

Frequently Asked Questions (FAQ)

What is the value of sec^2((2pi)/3) ?
The value of sec^2((2pi)/3) is 4