Question

Choose the correct option
sec A =
a) 1/cot A
b) 1/cosec A
c) 1/√1+ cotA
d) √1+cot²A/cotA
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Answer 1

Step-by-step explanation:

d take and check

√1+cot^2A/cotA

=√sin^2A+cos^2A/sin^2A÷cosA/sinA

=1/sinA÷cosASinA

=1/cosA

=secA

then,

secA=option d

Answer 2

Answer:

sec A=1/cos A

1/cos²A(squaring)

1/1-sin²A

Step-by-step explanation:

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