Math, asked by Sukhman9969, 10 months ago

Tan 69 +tan 66+1=tan69×tan66
Prove

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Answered by Anonymous

0

Answer:

tan(135)=tan(66+69)

⇒ -1 = [tan66+tan99]/1-tan66.tan99

⇒ -1+tan66.tan99 = tan66+tan99

⇒ tan66.tan99 = tan66+tan99 + 1 (Proved)

Step-by-step explanation:

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