Question
Asked Feb 18, 2020
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sin(2x) = 2 sin(x)is not an identity. Do not use a calculator.
Q4: Compare the values of sin(x +y) and sin(x) + sin(y) at x = 30° and y = 45° to show that the
equation sin(x + y) = sin(x) + sin(y) is not an identity. Do not use a calculator.
O5 Vie eelleing the cine o fe cunete fin d evect value /http //ueut.
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sin(2x) = 2 sin(x)is not an identity. Do not use a calculator. Q4: Compare the values of sin(x +y) and sin(x) + sin(y) at x = 30° and y = 45° to show that the equation sin(x + y) = sin(x) + sin(y) is not an identity. Do not use a calculator. O5 Vie eelleing the cine o fe cunete fin d evect value /http //ueut.

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Expert Answer

Step 1

The trigonometric equation to be proved is given as,

Trigonometry homework question answer, step 1, image 1

Step 2

Here x=30o and y=45o.

LHS

Trigonometry homework question answer, step 2, image 1

Step 3

RHS

Trigonometry homework question answer, step 3, image 1

...

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