Question

If SinA+CosecA=2, Then find the value of the given number​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

sin A + cosec A = 2

Squaring this on both sides, we get

sin^2A + cosec^2A + 2 sinA cosecA = 4

sin^2A + cosec^2A = 4 - 2 sinAcosecA

But we know that

cosec A = 1/sinA

so we get sinA cosecA = sinA * 1/sinA = 1

so we get

sin^2A + cosec^2A = 4 -2 = 2

sin^2A + cosec^2A = 2