added sum of series of sine and cosine program

rahulhgdev · web-flow · commit a345d26a0f75 · 2021-02-08T12:36:17.000+05:30
diff --git a/Beginner_Level_Python_programs/sum_cosine_series.py b/Beginner_Level_Python_programs/sum_cosine_series.py
@@ -0,0 +1,13 @@
+import math
+def cosine(x,n):
+    cosx = 1
+    sign = -1
+    for i in range(2, n, 2):
+        pi=22/7
+        y=x*(pi/180)
+        cosx = cosx + (sign*(y**i))/math.factorial(i)
+        sign = -sign
+    return cosx
+x=int(input("Enter the value of x in degrees:"))
+n=int(input("Enter the number of terms:"))
+print(round(cosine(x,n),2))
diff --git a/Beginner_Level_Python_programs/sum_sine_series.py b/Beginner_Level_Python_programs/sum_sine_series.py
@@ -0,0 +1,12 @@
+import math
+def sin(x,n):
+    sine = 0
+    for i in range(n):
+        sign = (-1)**i
+        pi=22/7
+        y=x*(pi/180)
+        sine = sine + ((y**(2.0*i+1))/math.factorial(2*i+1))*sign
+    return sine
+x=int(input("Enter the value of x in degrees:"))
+n=int(input("Enter the number of terms:"))
+print(round(sin(x,n),2))
