(calc-DistribRules, calc-NegateRules): Add rules.

1 files changed, 10 insertions, 0 deletions

diff --git a/lisp/calc/calc-rules.el b/lisp/calc/calc-rules.el
index 1ccbf3fffac..7a11cfa5012 100644
--- a/lisp/calc/calc-rules.el
+++ b/lisp/calc/calc-rules.el
@@ -153,10 +153,14 @@ tan(select(2 a))		:=  2 tan(select(a)) / (1 - tan(a)^2),
 tan(select(n a))                :=  (tan((n-1) select(a)) + tan(a)) /
                                     (1 - tan((n-1) a) tan(a))
                                     :: integer(n) :: n > 2,
+cot(select(a + b))              :=  (cot(select(a)) cot(b) - 1) /
+                                    (cot(a) + cot(b)),
 sinh(select(a + b))             :=  sinh(select(a)) cosh(b) + cosh(a) sinh(b),
 cosh(select(a + b))             :=  cosh(select(a)) cosh(b) + sinh(a) sinh(b),
 tanh(select(a + b))             :=  (tanh(select(a)) + tanh(b)) /
                                     (1 + tanh(a) tanh(b)),
+coth(select(a + b))             :=  (coth(select(a)) coth(b) + 1) /
+                                    (coth(a) + coth(b)),
 x && select(a || b)             :=  (x && select(a)) || (x && b),
 select(a || b) && x             :=  (select(a) && x) || (b && x),
 ! select(a && b)                :=  (!a) || (!b),
@@ -269,12 +273,18 @@ exp(select(x))			:=  1 / exp(select(-x)),
 sin(select(x))                  :=  -sin(select(-x)),
 cos(select(x))                  :=  cos(select(-x)),
 tan(select(x))                  :=  -tan(select(-x)),
+sec(select(x))                  :=  sec(select(-x)),
+csc(select(x))                  :=  -csc(select(-x)),
+cot(select(x))                  :=  -cot(select(-x)),
 arcsin(select(x))               :=  -arcsin(select(-x)),
 arccos(select(x))               :=  4 arctan(1) - arccos(select(-x)),
 arctan(select(x))               :=  -arctan(select(-x)),
 sinh(select(x))                 :=  -sinh(select(-x)),
 cosh(select(x))                 :=  cosh(select(-x)),
 tanh(select(x))                 :=  -tanh(select(-x)),
+sech(select(x))                 :=  sech(select(-x)),
+csch(select(x))                 :=  -csch(select(-x)),
+coth(select(x))                 :=  -coth(select(-x)),
 arcsinh(select(x))              :=  -arcsinh(select(-x)),
 arctanh(select(x))              :=  -arctanh(select(-x)),
 select(x) = a                   :=  select(-x) = -a,