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Tan-¹(1) + cos-¹(-1/2) . Find principal …

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Tan-¹(1) + cos-¹(-1/2) . Find principal value

Posted by Mmmmmmmmmmmmmmmmmmmm Wwwwwwwwwwwwwwwwwwww 7 years, 10 months ago

CBSE > Class 12 > Mathematics

5 answers

.Ismat .Jamil 7 years, 10 months ago

11π/12. (3 by mistake likh gya)

.Ismat .Jamil 7 years, 10 months ago

Tan-1(1)+π-cos-1(1/2) {as cos-1(-x)=π-cos-1(x) so that x be in domain (-π,π). }. =π/4+π-π/3 =11π/3

Hitesh Kumar 7 years, 10 months ago

The correct answer is 11pi/12

Hitesh Kumar 7 years, 10 months ago

Sorry sorry

Hitesh Kumar 7 years, 10 months ago

May be 5pi/12

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