Question
Hostile Witness
meansSolution
Evidence Act A hostile witness is a witness who appears to be refusing to fully testify in support of the person who called them or testifies in a way that significantly differs from their pre-trial statement. The person who calls you as a witness expects you to provide the court with evidence similar to what you may have said in a pre-trial statement. If you refuse to answer questions or contradict what you said before, the person who called you can apply to the judge to have you declared a hostile witness. Section 154 of the Indian Evidence Act talks about the hostile witness. This section enables the court to permit the party to cross-examine his own witness, who has become hostile.
The minimum value of 9 cos2 θ + 36 sec2 θ isÂ
If x = r sin A cos B, y = r sin A sin B and z = r cos A, then find x² + y² + z².
IfÂ
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(a) cosθ, (b) tan(90° − θ).
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Find the maximum value of 18 sin A + 7 cos A.

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