is gelijk aan
A.  1
B.  cot α
C.  cot ² α
D.  cot ³ α
E.  tan α
A    B    C    D    E

[ 4-4941 - op net sinds 31.8.2020-(E)-8.11.2023 ]

Translation in   E N G L I S H



is equal to
A.   1
B.   cot α
C.   cot² α
D.   cot³ α
E.   tan α

Oplossing - Solution

... = cot² α . tan α = cot α.(cot α.tan α) = cot α . 1 = ...
gricha