Root3* tan12 *cot45* cot 60* tan78
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Answered by
11
Answer:
√3 × tan12 ×cot12 × cot45 × cot60
√3×1×1×1/√3
1
Answered by
6
Rearrange the question as
Root3 *tan12*tan78*cot45*cot60
Root3*tan12*tan(90-12)*1*1/Root3
Now Root 3 is cancelled
Tan(90-12)=cot12
So tan12*cot12=1
Hence it is finally 1
Root3 *tan12*tan78*cot45*cot60
Root3*tan12*tan(90-12)*1*1/Root3
Now Root 3 is cancelled
Tan(90-12)=cot12
So tan12*cot12=1
Hence it is finally 1
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