noahhoutsch noahhoutsch

20-04-2021
Mathematics

contestada

Verify whether or not it is an identity 1+cos a/cot a = sin2a

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snowbull111 snowbull111

20-04-2021

Answer:

Step-by-step explanation:

LHS=1+cos a/cot a

=1+COSa/cosa/sina

=1+sinacosa/cosa

1+sina#sin2a

hence it is not an identity

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