Math, asked by aamirbohra04, 8 months ago

(sec A+tan A) (1 - sin A)

Answers

Answered by TheMainPrankster

0

Answer:

cosA

Step-by-step explanation:

→ ( secA + tanA )( 1 - sinA )

→ ( 1/cosA + sinA/cosA )( 1 - sinA )

→ (1/cosA)( 1 + sinA )( 1 - sinA )

→ (1/cosA)( 1 - sin²A )

→ (1/cosA) ( cos²A )

→ cosA

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