nanine2k nanine2k

25-01-2021
Mathematics

contestada

Is sec (−θ) equal to sec θ or - sec θ? How do you know?

Respuesta :

jimrgrant1 jimrgrant1

25-01-2021

Answer:

sec(- θ ) = secθ

Step-by-step explanation:

The relationship between sec and cos is

sec x = [tex]\frac{1}{cosx}[/tex]

Now cos(- x) = cosx

Thus

sec(- θ ) = secθ

Answer Link

Otras preguntas

A rectangular cereal box has a base of 189 square centimeters and a height of 32 centimeters what's the volume

Ryleigh received a $50 gift card to the frozen yogurt shop for her birthday. The shop sells yogurt sundaes for $4 and yogurt cones for $3. How many sundaes and

The term “20 past 4” is sometimes used in what?

who has the final over all military matters?

the back yard was covered in the late afternoon sunlight the leaves danced in the trees

Which lines in this excerpt from Shakespeare’s Richard III provide evidence for the theme of good versus evil in the play? And all the clouds that lour'

What were "the three Rs" taught in European public schools?

which invention encouraged tourism and created new businesses in the 1920s

A group of citizens is very serious about banning smoking in public places. Which course of action is the best way for the group to influence government smoking

The proposed constitution that opened up the voting rights to all free adult men in 508 b. c. was written by CleisthenesAristotlePlato.