Forum Forums Class-10 Maths Introduction to Tri... Notifications Clear all Introduction to Trigonometry Ask a question Page 4 / 5 Prev 1 2 3 4 5 Next Votes & Answers Question Question Status 0 1 206 Evaluate: (5cos^2 60° + 4sec^2 30° - tan^2 45°)/(sin^2 30° + cos^2 30°) By Priya123, 4 years ago replies 1 0 1 188 Evaluate: (sin 30° + tan 45° - cosec 60°)/(sec 30° + cos 60° + cot 45°) By Priya123, 4 years ago replies 1 0 1 205 Evaluate: cos 45°/(sec 30°+cosec 30°) By Priya123, 4 years ago replies 1 0 1 169 Evaluate the following: (i) sin 60° cos 30° + sin 30° cos 60° (ii) 2 tan^2 45° + cos^2 30°... By Priya123, 4 years ago replies 1 0 1 170 State whether the following are true or false. Justify your answer. (i) The value of tan A... By Priya123, 4 years ago replies 1 0 1 246 In ∆ PQR, right-angled at Q, PR + QR = 25 cm and PQ = 5 cm. Determine the values of sin P,... By Priya123, 4 years ago replies 1 0 1 208 In triangle ABC, right-angled at B, if tan A = 1/√3 find the value of: (i) sin A cos C + c... By Priya123, 4 years ago replies 1 0 1 142 If 3 cot A = 4, check whether (1-tan^2 A)/(1+tan^2 A) = cos^2 A – sin^2 A or not. By Priya123, 4 years ago replies 1 0 1 195 If cot θ = 7/8, evaluate : (i) (1 + sin θ)(1 – sin θ)/(1+cos θ)(1-cos θ) (ii) cot^2 θ By Priya123, 4 years ago replies 1 0 1 177 If ∠A and ∠B are acute angles such that cos A = cos B, then show that ∠ A = ∠B. By Priya123, 4 years ago replies 1 Page 4 / 5 Prev 1 2 3 4 5 Next Share: Super Globals Requests: Server: Options and Features route: community use_home_url: url: https://eanshub.com/community/ pageid:187 default_groupid: 3 2022 How Can We Help? Δ Home About Us Contact Us Privacy Policy Term of Use Copyright © 2020 Eanshub All Rights Reserved
