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3 years ago

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Prove that the equation is an identity. tan A tan B = tan A + tan B cot A + cot B Working from the right-hand side, use the trig

onometric identities for tangent and cotangent. RHS = tan A + tan B cot A + cot B

1 answer:

Yuliya22 [10]3 years ago

7 0

Answer:

Stedadasadjdjsjxjnakcp-by-step explanation:bdbdnxhsjd xhdvsh

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