Question

Q. 1. (A) Four alternative answers are given for each of the following subquestions.
Choose the correct alternative and write the alphabet of that answer :
(iii) If
1-sin²A
cos-A
=tan 0, then the value of 0 is
(A) 60°
(B) 45°
(C) 90°
(D) 30°​

Answer 1

Answer:

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Step-by-step explanation:

1 - sin²θ / cos²θ = tan θ

cos²θ /cos²θ = tan θ

1 = tan θ

∴ θ = 45°

[Option B]