The-numeric-value-of-the-expression-is-Sec-1320-2-2-cos-53pi-3-tg-2220-2-

Question Number 31808 by Abadon last updated on 15/Mar/18

The numeric value of the expression is :

\frac{Sec 1320 °}{2} - 2 \cdot \cos (\frac{53 π}{3}) + {(tg 2220 °)}^{2}

Commented by Tinkutara last updated on 15/Mar/18

Commented by MJS last updated on 15/Mar/18

1320 ° = - 120 °

\frac{53 π}{3} = - 60 °

2220 ° = 60 °

1 - 1 + 3 = 3

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