Math, asked by smruti05kale, 6 hours ago

Find what is equal to 1 - cosA /sinA
A) sinA/1-CosA
B) SinA/ 1+cosA
C)cosA/1+CosA
D) CosA /1-CosA

Answers

Answered by parteekbansal224

1

Step-by-step explanation:

as 1-cosA/sinA

Rationalise the numerator by 1+cosA

1-cosA x 1+cosA

sinA x 1+cosA

1*2-cos*2A

sinA+sinAcosA

sin*2A

sinA(1+cosA)

sin A

1+cosA

b is the correct answer

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