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Grade: 11

                        

Q.1) if α,β,γ,δ are the smallest positive angles in ascending order of magnitude which have their sines equal to the positive quantity k, the 4sin1/2α+3sin1/2β+2sin1/2γ+sin1/2δ is equal to? Q.2)If m sinθ = n sin(θ+2α), then value of tan(θ+ α)cot α is equal to ? Q.3) 3)the only value of x for which 2^sinx+2^cosx>=2^1-(1/ √2) hold, is?

4 years ago

Answers : (1)

Saurabh Koranglekar
askIITians Faculty
8407 Points
							Dear student

Please ask one question per post. I will be happy to help

Regards
7 months ago
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