होस् (Prove that): 1 - tanA = sec2A
e
4
भए, cose को मान निकाल्नुहोस् ॥f sina =
(Solve): cos20 - sino = 0 (0sex90°)
557-21 र 2ki + 10j आपसमा लम्ब भा
'-2j and 2ki + 10 j are perpendicular to​

where are the images of the functions i can only see the question you typed.

step-by-step explanation:

18.75 gallons

step-by-step explanation:

step-by-step explanation:

the ratio of red paint to blue paint is always 9/7. that means that, whatever x's value, (4x+12)/(4x-4) has that same ratio. so, set up an equation and cross-multiply to solve for x:

9/7 = (4x+12)/(4x-4)

9(4x-4) = 7(4x+12)

36x - 36 = 28x + 84

8x - 36 = 84

8x = 120

x = 15