Teaching NVS PGT 2024 Test Series Mathematics Trigonometry Trigonometric Identities

यदि x cos θ + y sin θ = z है, तो (x sin θ – y cos θ)2 का मान क्या है?

1
x2 + y2 – z2
2
x2 – y2 – z2
3
x2 – y2 + z2
4
x2 + y2 + z2
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