web20calcnoob

2 Questions
4 Answers

0

505

1

+16

The spherical coordinates of $(-3, 4, -12)$ are $(\rho, \theta, \phi)$. Find $\tan \theta + \tan \phi$.

The spherical coordinates of $(-3, 4, -12)$ are $(\rho, \theta, \phi)$. Find $\tan \theta + \tan \phi$.

web20calcnoob Aug 6, 2020

0

884

1

+16

i think i got part a down $$z^2 - 2(x)(z)cos(\theta) + (x^2 - y^2)= 0$$ I need help with part b

In most geometry courses, we learn that there's no such thing as "SSA Congruence". That is, if we have triangles $ABC$ and $DEF$ such that $AB = DE$, $BC = EF$, and $\angle A = \angle D$, then we cannot deduce that $ABC$ and $DEF$ are congruent. However, read more ..

web20calcnoob Jul 17, 2020

+16

0

the answer is 40 degrees

web20calcnoobJul 21, 2020

+16

0

the answer is 672

web20calcnoobJul 21, 2020

+16

+1

the answer is 0

web20calcnoobJul 21, 2020

+16

0

the answer is 7

web20calcnoobJul 17, 2020