subject
Mathematics, 08.02.2022 14:00 Geo777

It's a prove that...

2sin70.cos20=sin90+sin50

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 21:30
50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.
Answers: 3
question
Mathematics, 21.06.2019 22:00
Melanie is buying a bathing suit that costs 39.99. she is given a discount at the cash register of $6.00 when she scratched 15% off on a game piece for a store promotion. what will the sale price of melanie’s bathing suit be?
Answers: 1
question
Mathematics, 22.06.2019 00:00
What is the measure of each of the two angles formed by the bisector of the diagonal of a rhombus if the original angle measures 58 degrees?
Answers: 1
question
Mathematics, 22.06.2019 00:00
Can someone plz me understand how to do these. plz, show work.in exercises 1-4, rewrite the expression in rational exponent form.[tex]\sqrt[4]{625} \sqrt[3]{512} (\sqrt[5]{4} )³ (\sqrt[4]{15} )^{7}\\ (\sqrt[3]{27} )^{2}[/tex]
Answers: 3
You know the right answer?
It's a prove that...

2sin70.cos20=sin90+sin50...
Questions
question
Mathematics, 26.11.2020 22:50
question
Mathematics, 26.11.2020 22:50
question
Social Studies, 26.11.2020 22:50
question
Biology, 26.11.2020 22:50
question
Mathematics, 26.11.2020 22:50
Questions on the website: 13722360