pj8184423
pj8184423
28-12-2020
Mathematics
contestada
cos 30- cos 70=2 sin 50. sin 20.
Respuesta :
prashant12345
prashant12345
28-12-2020
L.H.S=2sin(30+70/2).sin(70-30/2)
=2 sin(100/2).sin(40/2)
=2sin50.sin20
Therefore,L.H.S=R.H.S proved
Answer Link
VER TODAS LAS RESPUESTAS ( 74+ )
Otras preguntas
The inventory system whereby the merchandise inventory account balance is merely a record of the most recent physical inventory count is called the:
On a number line what is the distance between -3/7 and -2/3 ?
Rewrite the similes so that they relate to the ocean
What is the central idea in the nonfiction piece, "Artful Research"?
Carol's starting pay for her summer job is $10.25 per hour. Carol earns exactly 3 raises this summer. For the first raise, she receives a 50 cent-per-hour raise
How can a university broadcast a lecture over the Internet without delay? A prominent professor is giving a lecture at a university that needs to broadcast over
A 20-N force applied to the handle of a door produces a 44-N output force. What is the AMA of the handle?
Nick is going to solve a problem. Which question could he ask himself as part of understanding the problem? A. What do I want to find out? B. Is my answer r
a. STOP: What is a technology habit you practice today that you now realize will not help you to be successful? Explain why it’s important to STOP doing this r
On a given Monday, the probability of rain is 0.72, the probability that the maximum temperature for the day will exceed 75°F is 0.84, and the probability that
