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Trigonometric Ratio(sin,cos,tan)

If A=30^°,pro...

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If A=30^°,prove sin3A=3sinA-4sinA

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Prove: $sin 3 a = 3 sin a - 4 {sin}^{3} a$ , when $a = 30^{\circ}$

A = 30^{0}

s i n 3 A = 3 sin A - 4 {sin}^{3} A

If true enter 1 else 0

3sinA + 4cosA = 5 then what is the value of 4sinA - 3cosA

s i n 3 A = 3 s i n A - 4 s i n^{3} A

If true then write 1 and if false then write 0

Q. if 3sinA+5cosA=5, prove that 3sinA+5cosA=plus or minus 3

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