sradle

2 Questions
0 Answers

0

658

1

+8

on going

In this problem: sin 240 x sec (-45)-tan(-30) x csc(-315)=
why does sec(-45) and csc(-315) both come out to square root of 2???

math

sradle Aug 19, 2014

0

688

1

+8

a basic but confounding question of trig

How to solve this: sin 240 x sec (-45)-tan(-30) x csc(-315)

math

sradle Aug 18, 2014