1÷1+cosa+1÷1_cos a please solve question
1 answer:
ok so THIS IS UR ANSWER I THINK PLEASE MAKE ME BRAINLIEST
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Answer:
-3.5
Step-by-step explanation:
An example is -3.5.
150/250! Hope this helps :D
x+y+z=1
x=1/(y+z)
1/(y+z)-2y+3z=2
1-2y²-2yz+3yz+3z²=2(y+z)
(1-2y²+yz+3z²)/2=y+z
z=(1-2y²+yz+3z²)/2 -y/1
z=(1-2y²+yz+3z²-2y)/2
you got it right :)
hope this helps
