baileychole
baileychole baileychole
  • 04-03-2021
  • Mathematics
contestada

4. Which trigonometric expression is equal to cos 72°? A. cos 55° B. cos 50° C. sin 61° D. sin 18°​

4 Which trigonometric expression is equal to cos 72 A cos 55 B cos 50 C sin 61 D sin 18 class=

Respuesta :

reeserl reeserl
  • 04-03-2021

Answer:

D.  sin 18°

Step-by-step explanation:

sin 18 because 18 + 72 = 90

Answer Link

Otras preguntas

Add base 2 numbers 11+101(hint conversation to decimal,operate and then convert back to base 2
Is the next part of this story likely to be funny or threatening? How can you tell?
X3 - 3y when x=6 and y= -3
Mee: 5324611502 Pa: here​
TASK: ARTICLE Your government is planning to introduce subsidies to finance the training costs for elite athletes. Some people say the money would be better spe
Which is the graph of y = 2(x - 3)^2+2
3. Apple juice is an example of a(n) ________. (SC.8.P.8.9) 2 points Heterogeneous mixture Homogeneous mixture Colloid Compound
If you _______ (e) nicer to him,he ___ might lend you the money
How do we best help him learn his Multiplication table ….help for 3rd grade grandson
Describe the physical characteristics of touch football and discuss energy needs