  ![[\because (a+b)^2=a^2+2ab+b^2]](/tpl/images/0994/7387/b93be.png)
  ![[\because \sin^2 \theta+cos^2\theta =1]](/tpl/images/0994/7387/d3c93.png)
    ![[\because \sec\theta=\dfrac{1}{\cos \theta}]](/tpl/images/0994/7387/ea925.png)
Prove that 1 + sin theta /cos theta + cos theta / 1 + sin theta =
2 sectheta...
Mathematics, 17.12.2020 14:00 biyah40
Prove that 1 + sin theta /cos theta + cos theta / 1 + sin theta =
2 sectheta
Answers: 1
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