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Zina [86]
3 years ago
13

If angle B = x°, what is the measure of a supplement of angle B

Mathematics
1 answer:
kozerog [31]3 years ago
3 0

Answer:

Step-by-step explanation:

G

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prove that sin theta cos theta = cot theta is not a trigonometric identity by producing a counterexample
Zolol [24]

Answer:

To prove that ( sin θ cos θ = cot θ ) is not a trigonometric identity.

Begin with the right hand side:

R.H.S = cot θ = \frac{cos \ \theta}{sin \ \theta}

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so, sin θ cos θ ≠ \frac{cos \ \theta}{sin \ \theta}

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=========================================================

<u>Anther solution:</u>

To prove that ( sin θ cos θ = cot θ ) is not a trigonometric identity.

Assume θ with a value and substitute with it.

Let θ = 45°

So, L.H.S = sin θ cos θ = sin 45° cos 45° = (1/√2) * (1/√2) = 1/2

R.H.S = cot θ = cot 45 = 1

So, L.H.S ≠ R.H.S

So, sin θ cos θ = cot θ is not a trigonometric identity.

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Answer:

Step-by-step explanation:

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