Mathematics, 20.10.2021 17:50 guccim5971
Rita is proving that the following trigonometric identity is true:
cos(−θ)sin(−θ)=−1tanθ
Which step would be the first line of her proof?
cosθsinθ=−1tanθ
cosθ−sinθ=−1tanθ
cos(−θ)sinθ=−1tanθ
cos(−θ)⋅tanθ=sin(−θ)
PLEASE ANSWER WILL MARK BRAINLIEST
Answers: 3
Mathematics, 21.06.2019 14:00
△cde maps to △stu with the transformations (x, y) arrowright (x − 2, y − 2) arrowright (3x, 3y) arrowright (x, −y). if cd = a + 1, de = 2a − 1, st = 2b + 3 and tu = b + 6, find the values of a and b. the value of a is and the value of b is .
Answers: 1
Mathematics, 21.06.2019 21:30
Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coup?
Answers: 3
Mathematics, 21.06.2019 22:00
What is the solution to the equation e3x=12? round your answer to the nearest hundredth
Answers: 1
Rita is proving that the following trigonometric identity is true:
cos(−θ)sin(−θ)=−1tanθ
Computers and Technology, 30.03.2020 17:28
Mathematics, 30.03.2020 17:28
Mathematics, 30.03.2020 17:28
Mathematics, 30.03.2020 17:28
Computers and Technology, 30.03.2020 17:28