If Tan15°equal to cot75°= what find fast
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Answered by
1
Answer:
if tan15°=cot75°
Step-by-step explanation:
tan15°=cot75°
therefore tan theta =cot(90°- theta)
so cot75°=cot75°=1
Answered by
0
Answer:
Here tan15=cot(90-15)
So tan15=cot75
Now tan(45-30)=cot(45+30)
or tan(45-30).tan(45+30)=1
or tan15.(1+tan30)/(1-tan30)=1
we know tan30=1/root.3
putting this value we get
tan15=(root.3-1)/(root.3+1)
It is the answer
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