Question

Cos 55×cosec35÷tan 5 ×tan25×tan65tan×tan 85
how

Answer 1

Answer:

Step-by-step explanation:

Hope it helps

Answer 2

Hello dear...
Here is your answer..

$\frac{cos \: 55 \: . \: cosec35}{tan5 \: . \: tan25 \: . \: tan65 \: . \: tan85}$

$= \frac{cos55 \: .\: sec(90 - 35) }{tan5 \: . \: tan25 \: . \: cot(90 - 65) \: \: cot(90 - 85)}$

$= \frac{cos55 \: . \: sec55}{tan5 \: . \: cot5 \: . \: tan \: 25 \: . \: cot \: 25}$

$= \frac{1}{1}$

$= 1$

Hope helped..
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