Question

if the value of tan∅=1 than the value of cos∅ will be.........................
a)1 b) 0 c) 1/2 d)1√2

Answer 1

Answer:

d) 1/ √2

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Answer 2

Answer:

$1/\sqrt{2}$

Step-by-step explanation:

tanФ=1

tanФ=tan45

Ф=45

cosФ=cos45

        =1/√2