namaalajmi7 namaalajmi7
  • 21-09-2021
  • Mathematics
contestada

What is the value of cos 30° cos 90° - sin 30° sin 90°

Respuesta :

allianaeacepaws
allianaeacepaws allianaeacepaws
  • 21-09-2021

Answer:

--1/2 or -0.5

Step-by-step explanation:

Answer Link
Аноним Аноним
  • 21-09-2021

Step-by-step explanation:

cos 30° cos 90° - sin 30° sin 90°

cos 30° = √3/2

cos 90°=0

sin30°= ½

sin 90°=1

= √3/2(0) -½(1)

=-½

Answer Link

Otras preguntas

ANSWER ASAPPPPPP Lesson- middle and late childhood The formation of _________ relationships and friendships is important to help sustain teens during the diffic
This is the book to kill a mockingbird by Harper Lee, 15 points!!❤️
Which personal pronoun correctly completes the sentence? What is its use?  With great pride, Elizabeth showed __________ her book of short stories.   A. them
why might descendants of the Aztec and incas be upset with spain?explain.
This one is too very important
What muscles do you use to throw a ball
An individual who uses his or her smartphone to play candy crush saga is fulfilling which of the seven primary motivations for mobile app usage?
also with this question
.......The value of x is:
What is the GCF of 32ab 3 and 40a 2?