diff --git a/PYTHON/trigonometric_ratios.py b/PYTHON/trigonometric_ratios.py
new file mode 100644
index 0000000..73b19a6
--- /dev/null
+++ b/PYTHON/trigonometric_ratios.py
@@ -0,0 +1,36 @@
+import math
+print("Enter the values of sides of a triangle")
+a = float(input("Enter the value of side a: "))
+b = float(input("Enter the value of side b: "))
+c = float(input("Enter the value of side c: ")) 
+
+# Calculating the values of sin, cos and tan
+sin_a = round((a / c),2)
+cos_a = round((b / c),2)
+tan_a = round((a / b),2)
+
+# Calculating the values of cosec, sec and cot
+cosec_a = round((1 / sin_a),2)
+sec_a = round((1 / cos_a),2)
+cot_a = round((1 / tan_a),2)
+
+# Printing the values of sin, cos and tan
+print("\nThe value of sin a is: ", sin_a)
+print("The value of cos a is: ", cos_a)
+print("The value of tan a is: ", tan_a)
+
+# Printing the values of cosec, sec and cot
+print("The value of cosec a is: ", cosec_a)
+print("The value of sec a is: ", sec_a)
+print("The value of cot a is: ", cot_a)
+
+
+# Defining the formula of Heron's to calculate the area of triangle.
+def Area(a, b, c):
+    sp = (a + b + c) / 2
+    area = (sp) * (sp - a) * (sp - b) * (sp - c)
+    f_area = round((area**0.5), 2)
+    print(f"The area of triangle is {f_area}" + " square units")
+
+#Printing the area of triangle.
+Area(a,b,c)