Use the Given Function Value(s),and Trigonometric Identities (Including the Cofunction

question 41

Multiple Choice

Use the given function value(s) ,and trigonometric identities (including the cofunction identities) ,to find the indicated trigonometric functions. ​
​sin 90° = 1,tan 90° = Not defined
Sin 0° and tan 0°
​

• A)​sin 0° = 0 and tan 0° = 0
• B)sin 0° = 1 and tan 0° = 1
• C)​sin 0° = Not defined and tan 0° = Not defined
• D)​sin 0° = Not defined and tan 0° = 1
• E)​sin 0° = 1 and tan 0° = Not defined

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