kiambriaross
kiambriaross kiambriaross
  • 15-05-2020
  • Mathematics
contestada

please help! 12 points

please help 12 points class=

Respuesta :

hoanganh384628 hoanganh384628
  • 15-05-2020

Answer:

Step-by-step explanation:

sin2x = 2sinx*cosx

         = [tex]2\sqrt{sin^{2}x }[/tex] * cosx

         = [tex]2\sqrt{(1-cos^{2}x }[/tex] * cosx

         = 2  [tex]\sqrt{1-\frac{3}{5} ^{2} } *\frac{3}{5}[/tex]

         = [tex]\frac{8}{5} * \frac{3}{5}[/tex]  

         = 24/25        

Answer Link

Otras preguntas

Ryan worked at a store for 3.5 days. He was paid $53.30 per day. He spent $24.75 to buy a gift for his mother. How much money does he have left? $161.80 $211.3
x^2 + x^2=6^2 what is x​
How to find The equivalent fraction of 36/48 with denominator4
What is the probability of rolling a 6 sided die and gettin a 2 or an odd number
Whats the answer? 1. (∗ +2b)^2 = a^2+4ab+4b^2
Why amendment 2 is important
Please help me with this question I’m stuck!
What is the type of bond with ΔEN=1.7? Ionic or polar covalent?
The process many autotrophs go through to convert solar energy into chemical energy
Does the digestive system