Q. The principal value of tan⁻¹(-1) is:

tan⁻¹(-1) का मूल मान क्या होगा:

A
-45°
B
45°
C
-60°
D
60°

Explanation

Explanation will be available soon. Please stay tuned.

व्याख्या जल्द ही उपलब्ध होगी। कृपया बने रहें।

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