Math, asked by pramodbhute12, 9 months ago

Prove that
tan70 - tan20 - 2tan50 = 0

Answers

Answered by anshikasingh2589
0

Answer:

Proved. tan 70 = tan20+ 2tan 50. All angles are in degrees. ... tan(70) - tan(20) = tan(70 - 20){1 + tan(70)tan(20} = tan(50){1 + tan(70)cot(70)} = 2tan(50).

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