Asked by Don
                Rewrite tan 88 deg in terms of its cofunction
How does that end up????
            
        How does that end up????
Answers
                    Answered by
            Reiny
            
    Notice there are only 3 trig names
all have matching co-function
sine --- cosine
secan ---cosecant
tangent -- cotangent , so that
sinØ = cos(90°- Ø)
secØ = csc(90° - Ø)
tanØ = cot(90° - Ø)
so tan 88° = cot 2°
    
all have matching co-function
sine --- cosine
secan ---cosecant
tangent -- cotangent , so that
sinØ = cos(90°- Ø)
secØ = csc(90° - Ø)
tanØ = cot(90° - Ø)
so tan 88° = cot 2°
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