The is the correct answer x=80
Simply you can substitute theta=45 degrees (or any angle,not zero) in left hand side and right hand side.
or
using a^2 - b^2 =(a+b)(a-b)
= sin(2x+x)sin(2x-x)
= sin 3x sin x
Answer:
Hello dear
Step-by-step explanation:
25×36×4
25×4×36
100×36
3600
HOPE THIS HELPS YOU
Answer:
0
Step-by-step explanation:
a1 is the first term and d is the number it goes up each time so you can just do 14 times 1/2 and add it to -7 so you get 0 for the 15th term
Answer:
I think A
Step-by-step explanation:
because the side lengths should be the same and going down the middle.
if I am wrong plz tell me