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Diffstat (limited to 'theories/Reals/Rtrigo_calc.v')
| -rw-r--r-- | theories/Reals/Rtrigo_calc.v | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/theories/Reals/Rtrigo_calc.v b/theories/Reals/Rtrigo_calc.v index 4e9244dd3..cfa65824b 100644 --- a/theories/Reals/Rtrigo_calc.v +++ b/theories/Reals/Rtrigo_calc.v @@ -13,6 +13,7 @@ Require Rfunctions. Require SeqSeries. Require Rtrigo. Require R_sqrt. +Import R_scope. Lemma tan_PI : ``(tan PI)==0``. Unfold tan; Rewrite sin_PI; Rewrite cos_PI; Unfold Rdiv; Apply Rmult_Ol. |