Kaleigh75 Kaleigh75

17-07-2014
Mathematics

Answered

Solve : cos X + sin X = 0

Pls all answers in radians

thanks

Verified Answer :

17-07-2014

cos (X) + sin (X) = 0

Subtract cos(x) from each side:

sin(x) = -cos(x)

Divide each side by cos(x) :

sin(x) / cos(x) = -1

But sin/cos = tangent

tan(x) = -1

x = 135° and 315°

x = 3/4 pi radians and 7/4 pi radians

Answer Link

Related Questions

A shotputter throws an 800 kg shot at a speed of 100 ms What is the kinetic energy of the shot

268v I dont know how to do this and I need help

which is true about fetal alcohol syndrome A It can sometimes happen when a women consumes no alcohol during pregnancy B It can happen if the female drinks befo

Which is not a factor of whether one will be poor a Race Ethnicity b Education c Number of children in household d Head of household

how is mindset connected to the idea of neuroplasticity

Which of the following is not a reason that small societies can maintain stability in the long term better than larger societies aSmaller societies have a small

Which term describes how a mineral looks when it breaks apart in a irregular way

richard has 43 centimeter cubeshenry has 36 centimeter cubeswhat is the length of their cubes altogether

Sin x 046 what is the value of x

What element has the least metallic character BCFLi or Na