Cot=cos\sin
sec=1\cos
cosx\sinx÷1\cosx=
cos^2x\sinx=1-sin^2x\sinx=
1\sinx-sin^2x\sinx= 1/sinx-sinx
Answer:
<u>it is 0.4</u>
Step-by-step explanation:
Answer:
3500 students actually enroll
Step-by-step explanation:
20000*0.7*.25=3500
Answer:
y=5/3x+8
Step-by-step explanation:
3x-5y=4------eq1
4x+3y=15-------------eq2
multiply 3 to first eq and 5 to second eq.
9x-15y=12
20x+15y=75
subtract both eqs
29x=87 x=3 so put x in eq 1
3(3)-5y=4
5y=5
y=1
