ellegold33 ellegold33

12-03-2018
Mathematics

contestada

An acute angle θ is in a right triangle with cos θ =2/3 . What is the value of sec θ?

Respuesta :

agamal91 agamal91

12-03-2018

[tex] sec \alpha = \frac{1}{cos \alpha}[/tex]
then [tex] sec \alpha =\frac {1}{\frac{2}{3}}[/tex]
therefore [tex] sec \alpha= \frac{3}{2}[/tex]

Answer Link

Otras preguntas

why do we use a coeficient to remove the propotionality

7.25 times 8 1/2= what?

what value of a makes the equation true? 9a+2=4a-18

Choose the right variant 1 This book will take to years to write. A. After two years I'll write this book B. In two years time I'll have written this book C . A

3x+4y=17 solve for y.

7.25 times 8 1/2= what?

Which choice is equivalent to the expression below? 5x sqrt 2 - 2 sqrt 2 + 2x sqrt 2 A. 7x sqrt 2 - 2 sqrt 2 B. 2x^2 sqrt 2 C. 3x sqrt 2 D. 7x^2 sqrt 2

why do we use a coeficient to remove the propotionality

let f(x)=9x-2 and g(x)=-x+3. find f(g(x)).

let f(x)=x^2 - 16. find f^-1(x).