Solve -sin 20° sin 40° sin 60° sin 80°sin 20° cos 30° sin 40°

  • Context: Undergrad 
  • Thread starter Thread starter Kartik.
  • Start date Start date
  • Tags Tags
    Cos Sin
Join the discussion
Registration is free. Ask a follow-up in this thread, or start your own.
Sign up Log in
2 replies · 6K views
Kartik.
Messages
55
Reaction score
1
Solve -
sin 20° sin 40° sin 60° sin 80°

sin 20° cos 30° sin 40° cos 10°
hmm...?
 

Discussion

Mathematics news on Phys.org


Err...this is the general math column!
 

Similar threads

Undergrad Solving the Equation: Sin(2T) = (625/4) x sin(40)

  • ally79
  • · Replies 2 ·
  • General Math
Replies
2

High School Solve tan(30)=(sin(theta))/(1+cos(theta)) Without a Graph

  • trajan22
  • · Replies 17 ·
  • General Math
Replies
17

So, a = 10 cos 80° i + 10 sin 80° jb = 6 cos 40° i + 6 sin 40° j

  • Kaldanis
  • · Replies 2 ·
  • Introductory Physics Homework Help
Replies
2

Finding the Relationship Between -sin 40 & -cos 50

  • lLovePhysics
  • · Replies 9 ·
  • Precalculus Mathematics Homework Help
Replies
9

Graduate How to Solve 2=1.59E-1*e^(19.99t)*sin(40*t+3.09E-2) for t?

  • colin6919
  • · Replies 1 ·
  • Calculus
Replies
1

Surdic Form: Solving for Sin, Cos, and Tan of 60', 30', and 45' Degrees

  • Venito
  • · Replies 15 ·
  • Precalculus Mathematics Homework Help
Replies
15

Trig Ratio Values Using Bow-Tie Diagram: sin 45, cos 60, tan 30, tan 45

  • Imperil
  • · Replies 1 ·
  • Precalculus Mathematics Homework Help
Replies
1