8 дек. 2015 г. · Counter example. You can divide by ex when solving xex+ex=0 as ex can not equal zero.

28 сент. 2016 г. · The first step is multiplying with cos(2x)sin(2x) to get rid of the denominators. Then, some trigonometric idendities should help.

26 авг. 2022 г. · Start by applying angle sum identity for cosine in numerator of fraction on left hand side. – user1064129. Commented Aug 26, 2022 at ...

8 февр. 2017 г. · This is a transcendental equation and you cannot solve this analytically. You can try graphical methods or numerical procedures to get an approximate solution ...

1 мая 2017 г. · I'm learning trigonometry for a maths exam in college and I'm just wondering if someone could give a step by step tutorial on how to solve a typical ...

27 июн. 2014 г. · Because of the singularity, these values cannot be taken as starting values for Newton iterations. We can work around this by setting x=t±(k+12) ...

2 мая 2015 г. · you have sinxcoshy=3,cosxsinhy=0. take the second equation. you have sinhy=0→y=0cosx=0,x=±π/2+2kπ. putting y=0, in the first equation gives ...

4 февр. 2017 г. · If you rename the trigonometric expressions wth something like sin(θ1)=u1, sin(θ2)=u2, cos(θ1)=v1, cos(θ2)=v2, and impose the additional ...

4 мая 2016 г. · Your equation is transcendental and won't be solved algebraically. You could use a numerical method such as Newton's Method to approximate the roots to desired ...

22 мар. 2015 г. · Might I suggest an alternate start? sin2x=1−2sin2x. sin2x=cos2x. Can you take it from here?