Math, asked by Anonymous, 7 months ago

Express cos A in terms of tan A.

Answers

Answered by ayaansiddiqui56

2

Answer:

tana=sina/cosa

square both sides

tan^2a=(1-cos^2a)/cos^2a

tan^ 2 a=(1/cos^2a)-(1)

tan^2a +1=(1/cos^2a)

cosa=1/√[tan^2 a+1]

Step-by-step explanation:

Hope it helps

Thank you!!!

Answered by sufi67

1

Answer:

cos A = 1/root1 + tan A

Step-by-step explanation:

cos A = 1/ root sec A

= 1/ root 1+ tan A

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