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:
Answer:
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Answer:
<u>A</u>
Step-by-step explanation:
<u>Given</u>
<u>Solving</u>
- Take the square root on both sides
- √x² = √9/4
- ⇒ x = 3/2
- <u>Option A is the correct option.</u>
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Step-by-step explanation:
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first
third and
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The answer is 7/9.Hope it helps
