Math, asked by arajenderrajender, 3 months ago

Express costhetha in terms of tan thetha

Answers

Answered by keshavyaar

0

Answer:

what

Step-by-step explanation:

what os theta which class of questions is this

Answered by sabihacreations

0

Answer:

costheta=1/√1+tan²theta

Step-by-step explanation:

FOLLOW ME

COStheta=1/sectheta (cosA=1/sec)

COStheta=1/√1+tan²theta

since,sectheta–tantheta =1
identity 2
sectheta=√1+tantheta

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