Math, asked by ghfgbdr, 1 year ago

tan20.tan35.tan45.tan55.tan70=1

Answers

Answered by Anonymous

5

tan70= tan(90-20)=cot20

tan55=tan(90-35)=cot35

=tan20.tan35.tan45.cot35cot20

=(tan20)(cot20)(tan35)(cot35)(tan45)

=(1)(1)(1)

=1

Answered by tanisha50

5

Hope this may help u.........

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tanisha50: thanks for the brainliest

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