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# Trigonometry Doubt!

Can anyone please provide a solution to these problems?

(1): If $$\dfrac{3 - \tan^2\frac\pi7}{1 -\tan^2\frac\pi7} = \lambda \cos \dfrac\pi7$$, then find $$\lambda$$.

(2): If $$4\sin27^\circ = \sqrt \alpha + \sqrt\beta$$, then find the value of $$(\alpha + \beta - \alpha \beta + 2)^4$$.

Note by Rishabh Tiwari
9 months, 4 weeks ago

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Please help me solve these problems @Pi Han Goh , @Calvin Lin sir please help , also atleast state if it cannot be solved or it's incorrect ...Thanks in advance .@Hung Woei Neoh thanx buddy. · 9 months, 4 weeks ago

@Ashish Siva , @Hung Woei Neoh , @Chinmay Sangawadekar , And all others are invited to solve these problems , Thank you.! · 9 months, 4 weeks ago