Math, asked by raosahab82, 5 months ago

tan 10º.cos 20°.tan 40°.tan 50°.cosec 70°.sec 80°.sin 80° = 1

Answers

Answered by bharatcharan22

0

Answer:

yes answer is 1

Step-by-step explanation:

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Answered by padmamaloth1986

2

Answer:

sin10cos20tan40tan50cosec70sec80∘=1

=(sin10sec80)(cos20cosec70)(tan40+tan50)

=(sin(90−80)sec80)(cos(90−70)cosec70)(tan(90−50)tan50)

=(cos80⋅sec80)(sin70cosen70)⋅tan(cot50tan50)

=1.1.1

=1.1

=RHS

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