Step-by-step explanation:
sin(2x) + cos(3x)
Use double angle formula sin(2x) = 2 sin x cos x.
Use triple angle formula cos(3x) = 4 cos³x − 3 cos x.
Substitute:
2 sin x cos x + 4 cos³x − 3 cos x
Answer:
what i the answerrrr
Step-by-step explanation:
Given:
Faiz's total online shipping bill comes to £45.71.
He then receives discount of £15.90.
To find:
How much does he have to finally pay after the discount?
Solution:
We have,
Amount of bill = £45.71
Discount amount = £15.90
Now,
Final payment = Amount of bill - Discount amount
= £45.71 - £15.90
= £29.81
Therefore, Faiz's have tp pay £29.81 after discount.
Answer:
864
Step-by-step explanation:
since the volume is 1728, the cube root of 1728 is the length of each side, which is 12. to find surface area of a cube, we find the area of one face and multiply it by 6. 12*12*6 = 864.
Answer:
there's no equation in this question so i cant solve it, add an equation and ill help you out
Step-by-step explanation:
