if angle p+angleQ= 90°then show √sinP/cosP-sinP.cosP
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Answer:
example
Step-by-step explanation:
According to the tangent – secant theorem the length of tangent squared equals the product of the secant segment and its external segment
⟹PR×QR=RX
2
⟹(PQ+QR)×QR=XR
2
⟹(x+x−2)(x−2)=144
⟹x
2
−3x–70=0
(x–10)(x+7)=0
x=10cm
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