Question

◆50 points question◆ solve only on copy......NO SPAM...

Answer 1

identity used • 1+sinx = 2cos^2(x/2)
• sec^2(x/2) = 1+ tan^2(x/2)......

Hope you understand...
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Answer 2

$\underline{\underline{\Huge\mathfrak{Solution;}}}$


• Checkout the attached file ⤴️

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