Answer: 55
Step-by-step explanation:
C-1.5+6.8+1.5=.6+1.5
c+6.8-6.8=2.1-6.8
c=-4.7
Answer:
smile please :)
Step-by-step explanation:
smile please :)
Answer:
fourth option
Step-by-step explanation:
Using the trigonometric identity
cos²x + sin²x = 1
Divide all terms by cos²x
+
=
which gives
1 + tan²x = sec²x
Answer:
4 and 12
Step-by-step explanation:
a = young
b = old
b = 3a, a+b =2a+8 => a = 4, b = 12