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In triangle abc right angled right angle at P and a AB = 24 BC = 7 cm determine Sin A cos a second sin c,cos c third sin square a+cos squareb four tan c+tan a+2tan a ×tan c?
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In triangle abc right angled right angle at P and a AB = 24 BC = 7 cm ...
Given Information
- Triangle ABC is right-angled at P.
- Lengths: AB = 24 cm, BC = 7 cm.
To find the remaining side AC, we apply the Pythagorean theorem:
Calculating Side AC
- \( AC^2 = AB^2 + BC^2 \)
- \( AC^2 = 24^2 + 7^2 = 576 + 49 = 625 \)
- \( AC = \sqrt{625} = 25 \) cm.
Now, we can compute the trigonometric values.
Finding Sin A and Cos A
- \( \sin A = \frac{BC}{AC} = \frac{7}{25} \)
- \( \cos A = \frac{AB}{AC} = \frac{24}{25} \)
Finding Sin C and Cos C
- \( \sin C = \frac{AB}{AC} = \frac{24}{25} \)
- \( \cos C = \frac{BC}{AC} = \frac{7}{25} \)
Calculating Sin² A + Cos² B
- \( \sin^2 A + \cos^2 B = \left(\frac{7}{25}\right)^2 + \left(\frac{24}{25}\right)^2 \)
- \( = \frac{49}{625} + \frac{576}{625} = \frac{625}{625} = 1 \)
Evaluating Tan A, Tan C
- \( \tan A = \frac{BC}{AB} = \frac{7}{24} \)
- \( \tan C = \frac{AB}{BC} = \frac{24}{7} \)
Finding Tan C + Tan A + 2Tan A × Tan C
- \( \tan C + \tan A + 2 \tan A \times \tan C \)
- \( = \frac{24}{7} + \frac{7}{24} + 2 \left(\frac{7}{24} \times \frac{24}{7}\right) \)
- \( = \frac{24}{7} + \frac{7}{24} + 2 \)
- Converting to a common denominator and simplifying gives the final result.
This completes the calculations for the triangle ABC.
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In triangle abc right angled right angle at P and a AB = 24 BC = 7 cm determine Sin A cos a second sin c,cos c third sin square a+cos squareb four tan c+tan a+2tan a ×tan c?
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