if tan theta =40/9 then find sec theta and cos theta
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Step-by-step explanation:
•tan theta=40/9
sin theta/cos theta=40/9. (tan theta = sin theta/cos theta)
therefore, 40×cos theta = 9×sin theta (cross multiply)
cos theta= sin theta×9/40. (1)
sec theta =1/ cos theta
=1÷sin theta×9/40. from (1)
=40/9× sin theta
• cos theta=sin theta×9/40. (from 1)
HOPE IT HELPS
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