Math, asked by siddharth7834c10e, 3 months ago

4
Iftan
then show that
1-sin e 1+sin - 10
+
1+sin e V1-sin e 3
3​

Answers

Answered by Anonymous
1

Answer:

ANSWER

LHS=

1−sinA

1+sinA

=

1−sinA

1+sinA

×

1+sinA

1+sinA

=

(1+sinA)(1−sinA)

(1+sinA)

2

=

1−sin

2

A

(1+sinA)

2

=

cos

2

A

(1+sinA)

2

=

(

cosA

1+sinA

)

2

=

cosA

1+sinA

=

cosA

1

+

cosA

sinA

=secA+tanA

=RHS

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