Mathematics
Mathematics, 27.05.2020 18:01, biggy54

In a triangle prove that


\cos( \alpha ) + \cos( \beta ) + \cos( \gamma ) = 4 \times \sin( \frac{ \alpha }{2} ) \times \sin( \frac{ \beta }{2} ) \times \sin( \frac{ \gamma }{2} ) + 1
In a triangle prove that

answer
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 19:30, cody4976
Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?
Answers: 1
image
Mathematics, 21.06.2019 20:00, alondrahernande3
Which sums are equal to 1hold 6/8? choose all answers that are correcta.1/8+6/8b.12/8+2/8c.8/8+1/8 +1/8+1/8+1/8+1/8+1/8d.8/8+6/8
Answers: 1
image
Mathematics, 21.06.2019 23:30, aherrerasmile1
Scenario: a rectangular plot of ground is 5 meters longer than it is wide. its area is 20,000 square meters. question: what equation will you find the dimensions? note: let w represent the width. options: w(w+5)=20,000 w^2=20,000+5 (w(w+5))/2=20,000 w+2(w+5)=20,000
Answers: 1
image
Mathematics, 21.06.2019 23:30, mem8163
Graham’s monthly bank statement showed the following deposits and withdrawals. -$25.20, $42.75, -$22.04, -$18.50, $74.11. part a if grahams baldness in the account was $37.86 at the beginning of the month,! 27/4! 2// the account balance at the end of the month? ? plz i will give you 100 points
Answers: 1
Do you know the correct answer?
In a triangle prove that


...

Questions in other subjects: