selenarose56751 selenarose56751
  • 04-01-2018
  • Mathematics
contestada

How to find cot of 60 given sin and tan of 30?

Respuesta :

Аноним Аноним
  • 04-01-2018
use tan 2x  = 2tan x / (1 - tan^2x)

so tan 60  =  2 tan 30 / 1 - tan^2 30 =   1.7321

cot 60  = 1 / 1.7321 = 0.5774   Answer
Answer Link

Otras preguntas

Three sides of a trapezoid have a length of 6. What is the length of the fourth side?
1. Define humidity. 2. Name two (2) things that increase humidity.
An equation is shown below: 3/2x + 7/2 = 2^x X = 1 X = 3 X = 5 X = 8
The state of Florida recently built pathways through sections of the Everglades in an effort to boost revenue through increased tourism. The pathways were raise
As economic conditions declined during the 1870's, the most common way for railroad companies to cut cost was to...
Which of the following statements is false? Mexico City is the financial center of Mexico. Mexico City is the entertainment center of Mexico. Mexico City has th
Which type of mutation does the change in this nucleotide sequence represent? GCTTAGCGC → GCTTATAGCGC A.duplication B.inversion C.substitution D.translocation
Which statement is true about World War 1? A: The assassination of Archduke Francis Ferdinand triggered the war. B: Leaders prepared for a war by decreasing the
Helpppppppppppppppppp
ENGLISH 10, PLEASE HELP :) "Read this passage :Raina sat with her head in her palms, weeping mournfully. As she sobbed, her cell phone beeped. Her hand ran int