Answer:
Step-by-step explanation:
If this is supposed to be
Then this can simply be reduced to
by the double angle formula for cosine
Answer:
x= 10°
Step-by-step explanation:
BWN = BRN (W=R)
56+ (5x-16) +90 =180 {triangle BNW} [angles in a triangle add up to 180] ( properties of a kite)
5x = 180 - (56 + 90 - 16)
5x = 180 - 130
5x = 50
x =50/5
x = 10°
Answer:
0
Step-by-step explanation:
It may say combine, but it`s subtraction soooo it`s 0.