Answer:
x>7
Step-by-step explanation:
Answer:
-1/√2
Step-by-step explanation:
According to trigonometry identity
cos(A+B) = cosAcosB - sinA sinB
Given the expression
(cos92°)(cos133°)-(sin92°)(sin133°)
This can be expressed as cos(92+133) where A = 92, B = 133
(cos92°)(cos133°)-(sin92°)(sin133°)
= cos(92+133)
= cos225
= -0.7071
= -1/√2
Hence the exact value is -1/√2
Hey I hope this helps you
You first need to move everything to one side to equal zero.
Then factor out the 5
After you should be left with a quadratic equation easier to work with
What multiplies to 30 and adds to -11?
This would be 6 and 5
But since it is -11 those two numbers need to be negative as well