diff --git a/backends-velox/src/test/scala/org/apache/gluten/functions/MathFunctionsValidateSuite.scala b/backends-velox/src/test/scala/org/apache/gluten/functions/MathFunctionsValidateSuite.scala
index 9fa0d336a45..6f4ea376c92 100644
--- a/backends-velox/src/test/scala/org/apache/gluten/functions/MathFunctionsValidateSuite.scala
+++ b/backends-velox/src/test/scala/org/apache/gluten/functions/MathFunctionsValidateSuite.scala
@@ -66,7 +66,7 @@ class MathFunctionsValidateSuiteAnsiOn extends FunctionsValidateSuite {
   }
 }
 
-abstract class MathFunctionsValidateSuite extends FunctionsValidateSuite {
+class MathFunctionsValidateSuite extends FunctionsValidateSuite {
 
   disableFallbackCheck
   import testImplicits._
@@ -248,6 +248,17 @@ abstract class MathFunctionsValidateSuite extends FunctionsValidateSuite {
     }
   }
 
+  test("ln") {
+    runQueryAndCompare("SELECT ln(l_orderkey) from lineitem limit 1") {
+      checkGlutenPlan[ProjectExecTransformer]
+    }
+    // Verify null semantics: ln(0) and ln(-1) must return null, not -Infinity/NaN
+    compareResultsAgainstVanillaSpark(
+      "SELECT ln(0), ln(-1), ln(cast(null as double))",
+      true,
+      { _ => })
+  }
+
   test("log") {
     runQueryAndCompare("SELECT log(10, l_orderkey) from lineitem limit 1") {
       checkGlutenPlan[ProjectExecTransformer]
@@ -295,6 +306,12 @@ abstract class MathFunctionsValidateSuite extends FunctionsValidateSuite {
     }
   }
 
+  test("radians") {
+    runQueryAndCompare("SELECT radians(l_orderkey) from lineitem limit 1") {
+      checkGlutenPlan[ProjectExecTransformer]
+    }
+  }
+
   test("rint") {
     withTempPath {
       path =>
@@ -332,6 +349,24 @@ abstract class MathFunctionsValidateSuite extends FunctionsValidateSuite {
     }
   }
 
+  test("sin") {
+    runQueryAndCompare("SELECT sin(l_orderkey) from lineitem limit 1") {
+      checkGlutenPlan[ProjectExecTransformer]
+    }
+  }
+
+  test("tan") {
+    runQueryAndCompare("SELECT tan(l_orderkey) from lineitem limit 1") {
+      checkGlutenPlan[ProjectExecTransformer]
+    }
+  }
+
+  test("tanh") {
+    runQueryAndCompare("SELECT tanh(l_orderkey) from lineitem limit 1") {
+      checkGlutenPlan[ProjectExecTransformer]
+    }
+  }
+
   test("try_add") {
     runQueryAndCompare(
       "select try_add(cast(l_orderkey as int), 1), try_add(cast(l_orderkey as int), 2147483647)" +
@@ -414,7 +449,9 @@ abstract class MathFunctionsValidateSuite extends FunctionsValidateSuite {
     }
   }
 
-  test("decimal arithmetic respects allowPrecisionLoss captured at view analysis time") {
+  testWithMinSparkVersion(
+    "decimal arithmetic respects allowPrecisionLoss captured at view analysis time",
+    "4.1") {
     // Regression test for GLUTEN-11917: in Spark 4.1, arithmetic expressions embed
     // allowPrecisionLoss in their evalContext at analysis time. Gluten must read from
     // the expression rather than SQLConf.get, which can differ when querying a view
diff --git a/backends-velox/src/test/scala/org/apache/gluten/functions/ScalarFunctionsValidateSuite.scala b/backends-velox/src/test/scala/org/apache/gluten/functions/ScalarFunctionsValidateSuite.scala
index cd49c23029b..8c343890bd0 100644
--- a/backends-velox/src/test/scala/org/apache/gluten/functions/ScalarFunctionsValidateSuite.scala
+++ b/backends-velox/src/test/scala/org/apache/gluten/functions/ScalarFunctionsValidateSuite.scala
@@ -26,7 +26,8 @@ import org.apache.spark.sql.execution.ProjectExec
 import org.apache.spark.sql.internal.SQLConf
 import org.apache.spark.sql.types._
 
-abstract class ScalarFunctionsValidateSuite extends FunctionsValidateSuite {
+class ScalarFunctionsValidateSuite extends FunctionsValidateSuite {
+
   disableFallbackCheck
 
   import testImplicits._
diff --git a/ep/build-velox/src/get-velox.sh b/ep/build-velox/src/get-velox.sh
index 3b1b3abcc9a..37cd06223ce 100755
--- a/ep/build-velox/src/get-velox.sh
+++ b/ep/build-velox/src/get-velox.sh
@@ -25,7 +25,7 @@ RUN_SETUP_SCRIPT=ON
 ENABLE_ENHANCED_FEATURES=OFF
 
 # Developer use only for testing Velox PR.
-UPSTREAM_VELOX_PR_ID=""
+UPSTREAM_VELOX_PR_ID="17648"
 
 OS=`uname -s`