Math, asked by kaberighosh222, 1 month ago

show that tan(60-x)tan(60+x)-1=2/2cos2x-1​

Answers

Answered by shakshibhaskar006
1

Step-by-step explanation:

In this case A = 60 and B = A

Left handside identity = tan(60 + A) tan(60 - A)

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