sin 2A = 2 sin A is true when A =
30°
45°
0°
60°
Explanation:
sin 2A = sin 0° = 0
2 sin A = 2 sin 0° = 0
Additional Questions
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(Sin 30°+cos 60°)-(sin 60° + cos 30°) is equal to: |
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The value of $\dfrac{tan 60°}{cot 30°}$ is equal to: |
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1 – $cos^{2}$A is equal to: |
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sin (90° – A) and cos A are: |
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If cos X = $\dfrac{2}{3}$ then tan X is equal to: |
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If cos X = $\dfrac{a}{b}$, then sin X is equal to: |
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$\dfrac{2 tan 30°}{(1 + tan^{2}30°)}$ = |
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sin 2A = 2 sin A is true when A = |
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