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Soros Olympiad in Mathematics
II Soros Olympiad 1995 - 96 (Russia)
10.1
min max y=\sqrt{7+5cosx}-cosx (II Soros Olympiad 1995-96 R2 10.1)
min max y=\sqrt{7+5cosx}-cosx (II Soros Olympiad 1995-96 R2 10.1)
Source:
June 3, 2024
trigonometry
algebra
inequalities
Problem Statement
Find the largest and smallest value of the function
y
=
7
+
5
cos
x
−
cos
x
.
y=\sqrt{7+5\cos x}-\cos x.
y
=
7
+
5
cos
x
−
cos
x
.
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