Mathematics
Mathematics, 12.01.2020 00:31, wasscrackin

If cosa= -4/5 and a is in the second quadrent, then cos2a= ?

answer
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 15:00, haleylayne74
What is the compound interest in a three-year, $100,000 loan at a 10 percent annual interest rate a) 10.00 b) 21.00 c) 33.10 d) 46.41
Answers: 1
image
Mathematics, 21.06.2019 17:50, tiffcarina69
F(x) = x2 − 9, and g(x) = x − 3 f(x) = x2 − 4x + 3, and g(x) = x − 3 f(x) = x2 + 4x − 5, and g(x) = x − 1 f(x) = x2 − 16, and g(x) = x − 4 h(x) = x + 5 arrowright h(x) = x + 3 arrowright h(x) = x + 4 arrowright h(x) = x − 1 arrowright
Answers: 2
image
Mathematics, 21.06.2019 20:00, samaragreen34
Ke’ajah has a coupon for 1/3 off the regular price, t, of a tent. which expression represents the price of the tent using the coupon? select the two correct expressions. a. 1/3t b. 2/3t c. t - 1/3 d. t - 2/3 e. t - 1/3t f. t - 2/3t
Answers: 1
image
Mathematics, 21.06.2019 22:30, fredvales19
What fraction is equivalent to 0.46464646··· a. 46⁄99 b. 46⁄999 c. 46⁄100 d. 23⁄50
Answers: 1
Do you know the correct answer?
If cosa= -4/5 and a is in the second quadrent, then cos2a= ?...

Questions in other subjects:

Konu
Physics, 30.01.2020 01:48