Math, asked by sanjotasankappagol, 7 months ago

1/sec theta + tan theta = sec theta - tan theta​

Answers

Answered by sandy1816
3

1/secø+tanø

=(secø-tanø)/(secø+tanø)(secø-tanø)

=(secø-tanø)/sec²ø-tan²ø

=secø-tanø

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