Math, asked by tmanohar836, 1 month ago

(1-tanø÷1-cotø)²=tan²ø

{hereø means thita }

Answers

Answered by daphalasmita60

1

Step-by-step explanation:

(1-tanø÷1-cotø)²={(1-sinø/cosø)÷(1-cosø/sinø)}²

={(cosø-sinø/cosø)÷(sinø-cosø/sinø)}²

= (-tanø)²

= tan²ø

Hence proved

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