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Find principal value of tan-1(sin(π/2))

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Find principal value of tan-1(sin(π/2))

    • Posted by Abhijith S A 3 years, 11 months ago

    CBSE > Class 12 > Mathematics
    • 1 answers

    Tushar Hooda 3 years, 11 months ago

    tan-¹(sin(π/2) = tan-¹(1) = tan-¹(tanπ/4) = π/4 Thus, π/4 is required principal value as it lies b/w (-π/2 , π/2)

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