Given- sin 3A - 1- thenIf cos 2A is m-2- m is

sin 3A = 1 sin 3A = sin 90^ #176; 3A = 90^∘ A = 30^∘ Thus, cos 2A = cos (2 × 30^ #176;) = cos 60^ #176; = 1/2 ...

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Trigonometric Equations

Given: sin ...

Question

Given: $s i n 3 A = 1$ , then
If $c o s 2 A$ is $\frac{m}{2}$ , m is

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