Math, asked by julfikarhaque, 7 months ago

value of 5tanA×tanA-5secA×sec A+1 is

Answers

Answered by ShrushteeNagarikar

0

Answer:

Hi myself Shrushtee

Step-by-step explanation:

sec2θ=1+tan2θ

⇒tanA−secA+1tanA+secA−1

⇒tanA−secA+1tanA+secA−(sec2A−tan2A)

⇒tanA−secA+1(tanA+secA)(1−secA+tanA)

⇒tanA+secA

⇒cosAsinA+cosA1

⇒cosA1+sinA

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