Trinogemetry :-
Pls Gimme some questions to practice from trinogemetry (Class 10 - beginner)
Thanks!
Pls Gimme some questions to practice from trinogemetry (Class 10 - beginner)
Thanks!
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See the image. which is attachedhopes it help u.
1. If sinθ = x and sec θ = y then find the value of cot θ.
2. Solve the equation for θ: cos²θ/cot²θ – cos² θ=3
3. If ac = r cos θ. sin Φ; y = r sinθ. sinΦ; z = r cos Φ. Prove that x² + y² + z²= r².
4. Given that cos(A – B) = cos A.cos B + sinA.sinB, find the value of cos 15° in two ways.
Taking A = 60°, B = 45° and
Taking A = 45°, B = 30°
5. If cosec A + cot A = m, show that m²-1/ m² + 1= cos A.
6. Express cos A in terms of cot A.
7. Evaluate: 3 cot² 60° + sec² 45°.
8. If cos θ + sin θ =√2 cos θ, show that cos θ – sin θ = √2 sin θ.
9. ABC is a triangle right angled at C and AC = √3 BC. Prove that ∠ABC=60°.
10. Find the value of tan(65° – θ) – cot(25° + θ).
* I will suggest you to follow R.S.Aggarwal or R.D.Sharma.
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