Math, asked by manush65, 5 months ago

Show that tanA. sinA+cosA=secA

Answers

Answered by aritra7125

1

Step-by-step explanation:

ANSWER

Consider LHS =tanAsinA+cosA

=

cosA

sinA

sinA+cosA (∵tanA=

cosA

sinA

)

=

cosA

sin

2

A

+cosA=

cosA

sin

2

A+cos

2

A

(But sin

2

A+cos

2

A=1)

=

cosA

1

=secA= RHS

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