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Neko [114]
3 years ago
11

Prove : cos(3x)=sin(2x)​

Physics
2 answers:
ahrayia [7]3 years ago
8 0

Explanation:

cos3x=sin2x

cos3x=cos(2π−2x)

⇒3x=2nπ+2π−2x

⇒5x=2nπ+2π

⇒x=52nπ+10π

brainliest plzz

ss7ja [257]3 years ago
6 0

Answer:

this is the answer do it help

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2 years ago
Find the current i in:
lawyer [7]

Answer:

I = 24 A

Explanation:

This is Parallel Circuit and it is the first principle of parallel circuit that voltage will be equal in all components in the circuit

It includes 10 resistors Therefore the voltage across,

R1 = R2 = R3 = R4 = R5 = R6 = R7 = R8 = R9 = R10 = voltage in battery

<h2>Ohm's Law</h2>

We will apply Ohm's Law to each resistor to find its current because we know the voltage across each resistor is 12 V  and the resistance of each resistor is 5Ω

I (R1) = E (R1) / R1

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I (total) = 2.4 + 2.4 + 2.4 + 2.4 + 2.4 + 2.4 + 2.4 + 2.4 + 2.4 + 2.4

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