Answer:
its the last one ;)
Step-by-step explanation:
1
1-(-3) = 4 ( a minis and a negative together is a addition problem)
2
-9 - 2 = -11
3
-9 - 5 = -14
4
-64 +83 = 19
5
B would be the answer
The answer is 8
8*2=16-4=12
Answer:
cos²x.sec²x =1 (formula)
cos and sec are reciprocal to each other
cos²x=1/sec²x
now from the eq above,open the brackets and multiply
1-cos²2x
sin²2x
Answer:
b = 7 1/4
Step-by-step explanation:
7 = -1/4 + b
Add 1/4 to both sides
7 1/4 = b
b = 7 1/4
