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mehakNewbie

Asked: June 24, 2023In: CBSE

14. If cos θ = 12/13, show that sin θ(1 – tan θ) = 35/156

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Explain the method used. Class 10th, trigonometric identities.

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mehakNewbie

Asked: June 24, 2023In: CBSE

9. If tan θ = a/b, find the value of (cos θ + sin θ)/ (cos θ – sin θ)

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Explain the method used. Class 10th, Rd sharma Trigonometric identities.

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mehakNewbie

Asked: June 24, 2023In: CBSE

8. If 3cot A = 4, check whether (1–tan2A)/(1+tan2A) = (cos2A – sin2A) or not.

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Explain the question. Explain the formula question. Class 10th, rd sharma, trigonometric identities

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mehakNewbie

Asked: June 24, 2023In: CBSE

7. If cot θ = 7/8, evaluate (i) (1+sin θ)(1–sin θ)/ (1+cos θ)(1–cos θ) (ii) cot2 θ

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Explain the question. Justify the answer Class 10th, rd sharma, trigonometric identities

0

mehakNewbie

Asked: June 24, 2023In: CBSE

6. In △PQR, right-angled at Q, PQ = 4cm and RQ = 3 cm. Find the value of sin P, sin R, sec P and sec R.

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Class 10th, trigonometric identities, rd sharma Explain the question. Which formula is used.

0

mehakNewbie

Asked: June 24, 2023In: CBSE

4. If sin A = 9/41, compute cos A and tan A.

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Explain the question. Which formula is used? Class 10th, Rd sharma Trigonometric identies

0

mehakNewbie

Asked: June 24, 2023In: CBSE

3. In fig. 5.37, find tan P and cot R. Is tan P = cot R?

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Help with this question. Which formula used? Class 10th cbse rd sharma trigonometric identites

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Discy Latest Questions

14. If cos θ = 12/13, show that sin θ(1 – tan θ) = 35/156

9. If tan θ = a/b, find the value of (cos θ + sin θ)/ (cos θ – sin θ)

8. If 3cot A = 4, check whether (1–tan2A)/(1+tan2A) = (cos2A – sin2A) or not.

7. If cot θ = 7/8, evaluate (i) (1+sin θ)(1–sin θ)/ (1+cos θ)(1–cos θ) (ii) cot2 θ

6. In △PQR, right-angled at Q, PQ = 4cm and RQ = 3 cm. Find the value of sin P, sin R, sec P and sec R.

4. If sin A = 9/41, compute cos A and tan A.

3. In fig. 5.37, find tan P and cot R. Is tan P = cot R?