diff --git a/modules/juce_audio_basics/effects/juce_IIRFilter.cpp b/modules/juce_audio_basics/effects/juce_IIRFilter.cpp
index 908a69e0f0..08648b418c 100644
--- a/modules/juce_audio_basics/effects/juce_IIRFilter.cpp
+++ b/modules/juce_audio_basics/effects/juce_IIRFilter.cpp
@@ -64,7 +64,7 @@ IIRCoefficients IIRCoefficients::makeLowPass (const double sampleRate,
 {
     jassert (sampleRate > 0);
 
-    const double n = 1.0 / tan (double_Pi * frequency / sampleRate);
+    const double n = 1.0 / std::tan (double_Pi * frequency / sampleRate);
     const double nSquared = n * n;
     const double c1 = 1.0 / (1.0 + std::sqrt (2.0) * n + nSquared);
 
@@ -79,7 +79,7 @@ IIRCoefficients IIRCoefficients::makeLowPass (const double sampleRate,
 IIRCoefficients IIRCoefficients::makeHighPass (const double sampleRate,
                                                const double frequency) noexcept
 {
-    const double n = tan (double_Pi * frequency / sampleRate);
+    const double n = std::tan (double_Pi * frequency / sampleRate);
     const double nSquared = n * n;
     const double c1 = 1.0 / (1.0 + std::sqrt (2.0) * n + nSquared);
 
diff --git a/modules/juce_audio_formats/codecs/juce_MP3AudioFormat.cpp b/modules/juce_audio_formats/codecs/juce_MP3AudioFormat.cpp
index 219c93f709..6551f1f53b 100644
--- a/modules/juce_audio_formats/codecs/juce_MP3AudioFormat.cpp
+++ b/modules/juce_audio_formats/codecs/juce_MP3AudioFormat.cpp
@@ -607,7 +607,7 @@ private:
             float* costab = cosTables[i];
 
             for (int k = 0; k < kr; ++k)
-                costab[k] = (float) (1.0 / (2.0 * cos (double_Pi * (k * 2 + 1) / divv)));
+                costab[k] = (float) (1.0 / (2.0 * std::cos (double_Pi * (k * 2 + 1) / divv)));
         }
 
         for (i = 0, j = 0; i < 256; ++i, ++j, table += 32)
@@ -692,23 +692,23 @@ private:
 
         for (i = 0; i < 18; ++i)
         {
-            win[0][i] = win[1][i] = (float) (0.5 * sin (double_Pi / 72.0 * (2 * i + 1)) / cos (double_Pi * (2 * i + 19) / 72.0));
-            win[0][i + 18] = win[3][i + 18] = (float) (0.5 * sin (double_Pi / 72.0 * (2 * (i + 18) + 1)) / cos (double_Pi * (2 * (i + 18) + 19) / 72.0));
+            win[0][i]      = win[1][i]      = (float) (0.5 * std::sin (double_Pi / 72.0 * (2 * i + 1))        / std::cos (double_Pi * (2 * i + 19)        / 72.0));
+            win[0][i + 18] = win[3][i + 18] = (float) (0.5 * std::sin (double_Pi / 72.0 * (2 * (i + 18) + 1)) / std::cos (double_Pi * (2 * (i + 18) + 19) / 72.0));
         }
 
         const double piOver72 = double_Pi;
 
         for (i = 0; i < 6; ++i)
         {
-            win[1][i + 18] = (float) (0.5 / cos (piOver72 * (2 * (i + 18) + 19)));
-            win[3][i + 12] = (float) (0.5 / cos (piOver72 * (2 * (i + 12) + 19)));
-            win[1][i + 24] = (float) (0.5 * sin (double_Pi / 24.0 * (2 * i + 13)) / cos (piOver72 * (2 * (i + 24) + 19)));
+            win[1][i + 18] = (float) (0.5 / std::cos (piOver72 * (2 * (i + 18) + 19)));
+            win[3][i + 12] = (float) (0.5 / std::cos (piOver72 * (2 * (i + 12) + 19)));
+            win[1][i + 24] = (float) (0.5 * std::sin (double_Pi / 24.0 * (2 * i + 13)) / std::cos (piOver72 * (2 * (i + 24) + 19)));
             win[1][i + 30] = win[3][i] = 0;
-            win[3][i + 6]  = (float) (0.5 * sin (double_Pi / 24.0 * (2 * i + 1)) / cos (piOver72 * (2 * (i + 6) + 19)));
+            win[3][i + 6]  = (float) (0.5 * std::sin (double_Pi / 24.0 * (2 * i + 1)) / std::cos (piOver72 * (2 * (i + 6) + 19)));
         }
 
         for (i = 0; i < 12; ++i)
-            win[2][i] = (float) (0.5 * sin (double_Pi / 24.0 * (2 * i + 1)) / cos (double_Pi * (2 * i + 7) / 24.0));
+            win[2][i] = (float) (0.5 * std::sin (double_Pi / 24.0 * (2 * i + 1)) / std::cos (double_Pi * (2 * i + 7) / 24.0));
 
         for (j = 0; j < 4; ++j)
         {
@@ -721,7 +721,7 @@ private:
 
         for (i = 0; i < 16; ++i)
         {
-            const double t = tan (i * double_Pi / 12.0);
+            const double t = std::tan (i * double_Pi / 12.0);
             tan1_1[i] = (float) (t / (1.0 + t));
             tan2_1[i] = (float) (1.0 / (1.0 + t));
             tan1_2[i] = (float) (sqrt2 * t / (1.0 + t));
diff --git a/modules/juce_core/maths/juce_Expression.cpp b/modules/juce_core/maths/juce_Expression.cpp
index a18effa041..632b90a78d 100644
--- a/modules/juce_core/maths/juce_Expression.cpp
+++ b/modules/juce_core/maths/juce_Expression.cpp
@@ -1162,9 +1162,9 @@ double Expression::Scope::evaluateFunction (const String& functionName, const do
 
         if (numParams == 1)
         {
-            if (functionName == "sin")  return sin (parameters[0]);
-            if (functionName == "cos")  return cos (parameters[0]);
-            if (functionName == "tan")  return tan (parameters[0]);
+            if (functionName == "sin")  return std::sin (parameters[0]);
+            if (functionName == "cos")  return std::cos (parameters[0]);
+            if (functionName == "tan")  return std::tan (parameters[0]);
             if (functionName == "abs")  return std::abs (parameters[0]);
         }
     }
diff --git a/modules/juce_gui_basics/drawables/juce_SVGParser.cpp b/modules/juce_gui_basics/drawables/juce_SVGParser.cpp
index cfb6b7b5f0..d1d4733d3e 100644
--- a/modules/juce_gui_basics/drawables/juce_SVGParser.cpp
+++ b/modules/juce_gui_basics/drawables/juce_SVGParser.cpp
@@ -1218,8 +1218,8 @@ private:
         const double midX = (x1 - x2) * 0.5;
         const double midY = (y1 - y2) * 0.5;
 
-        const double cosAngle = cos (angle);
-        const double sinAngle = sin (angle);
+        const double cosAngle = std::cos (angle);
+        const double sinAngle = std::sin (angle);
         const double xp = cosAngle * midX + sinAngle * midY;
         const double yp = cosAngle * midY - sinAngle * midX;
         const double xp2 = xp * xp;