Mathematics, 24.08.2020 01:01 asapjvzz8786

If cos 330/2 = sqrt(3)/2 then
Prove that:
cos 165° = - sqrt(3) - 1 / 2sqrt(2)

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 12:30, harleyy6802

(a) what was jennifer's gross pay for the year? (b) how much did she pay in state income tax? (c) the amount in box 4 is incorrect. what dollar amount should have been entered in box 4? (d) the amount in box 6 is incorrect. what dollar amount should have been entered in box 6? (e) how much was jennifer's fica tax? (f) jennifer's taxable income was $32,104. she's filing her taxes as head of household. does she owe the government more in taxes, or will she receive a refund? how much will she owe or receive?

Answers: 3

continue

Mathematics, 21.06.2019 18:00, kalibaby

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)

Answers: 2

continue

Mathematics, 21.06.2019 18:30, budjasdatazaki467

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.

Answers: 1

continue

Mathematics, 22.06.2019 00:30, danibe98r

The length of a rectangle plus its width is 24 cm. the area is 143 square cm. what are the length and width of the rectangle?

Answers: 1

continue

You know the right answer?

If cos 330/2 = sqrt(3)/2 then
Prove that:
cos 165° = - sqrt(3) - 1 / 2sqrt(2)...