From 450709d13b47e05d675ce8239cd5336319ffda42 Mon Sep 17 00:00:00 2001 From: Krzysztof Majewski Date: Wed, 3 Oct 2018 16:59:44 +0000 Subject: [PATCH] Using Math.sin with Degrees Issue: BAEL-2157 --- .../com/baeldung/maths/MathSinUnitTest.java | 20 +++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 java-numbers/src/test/java/com/baeldung/maths/MathSinUnitTest.java diff --git a/java-numbers/src/test/java/com/baeldung/maths/MathSinUnitTest.java b/java-numbers/src/test/java/com/baeldung/maths/MathSinUnitTest.java new file mode 100644 index 0000000000..111b2f4465 --- /dev/null +++ b/java-numbers/src/test/java/com/baeldung/maths/MathSinUnitTest.java @@ -0,0 +1,20 @@ +package com.baeldung.maths; + +import static org.junit.Assert.assertTrue; + +import org.junit.jupiter.api.Test; + +public class MathSinUnitTest { + + @Test + public void givenAnAngleInDegrees_whenUsingToRadians_thenResultIsInRadians() { + double angleInDegrees = 30; + double sinForDegrees = Math.sin(Math.toRadians(angleInDegrees)); // 0.5 + + double thirtyDegreesInRadians = 1/6 * Math.PI; + double sinForRadians = Math.sin(thirtyDegreesInRadians); // 0.5 + + assertTrue(sinForDegrees == sinForRadians); + } + +}