HaPow2743 HaPow2743
  • 08-09-2020
  • Mathematics
contestada

Which expression is equivalent to cos (70°)?

Cos ^-1 (20)


Sin ^-1 (20)


Cos (20)


Sin (20)

Respuesta :

jimrgrant1 jimrgrant1
  • 08-09-2020

Answer:

sin20°

Step-by-step explanation:

Using the cofunction identity

cosx = sin(90 - x) , thus

cos70° = sin(90 - 70)° = sin20°

Answer Link

Otras preguntas

How we're all the elements with atomic numbers higher than 92 created?
Show how to find the product of 16.2 x 4 using addition.
which of the following lists demonstrates various tense of an irregular verb a) i go,i went, i will go b)i call,i called ,i will call c) i try,i tried ,i will c
what is the prime factorization of 200?
The sum of two numbers is 34. Their difference is 18. What are the two numbers?
how do you one and fifty tenths to a decimal
The sum of two numbers is 34. Their difference is 18. What are the two numbers?
what is the prime factorization of 200?
What is 3/8 divided by 9/16? Please explain and show work.
One factor that promoted industrialization in the USA in the late 19th century (1800s) was the
good job