02/04/2020 Trigonometry II(Senior Class Math Study by Topics) 0Comments by Gate Academy Welcome to your Trigonometry II(Senior Class Math Study by Topics) NAME EMAIL PHONE NUMBER 1. Express cos (- 1555°) in terms of the ratio of a positive angle less than 30°.cos 15°-sin 25°sin 15°cos 25°2. If sin x = 12/13, where 0° < x < 90°,find the value of 1 - cos²x.169/144144/169121/100100/1213. In the triangle below find the value of a 12.2 cm2.9 cm6.7 cm10.2 cm4. Given that cosθ = 12/13, for 0°<θ<90° calculate without using tables or calculator-57/651/2-6/734/355. Given thattanx = 5/12, what is the value of sinx + cosx?1713/1717/13136. Without using tables or any calculating device find the value ofsin35°cos5° - cos35°sin5°101/2-17. Find the angles between 0° and 360° whose cosine is 0.65242°43.4°49.5°358°8. Find a positive angle between 0° and 360° that is equivalent to -250°34°283°110°74°9. Find the value of tan (-84)°-9.5140.2499.514-0.29410. Find the value of tan 158°-0.4040-0.70710.93621.373211. Solve the equation 4 + 7cosx = 0 for 0° ≤x≤ 360°34°124.8°91°221°12. Find the angles between 0° and 360° whose cosine is 0.55119432°245°10.5°56.5°13. Find the values of cot (- 855°)102-114. If sinθ = -5/13, where θ is an angle between 270° and 360°, calculate , without using mathematical tables, the values of sin2θ2/5169/120120/169-120/16915. Find the value of sin (-150)°-0.20.20.5-0.516. Simplify the expression10-11/217. Find a positive angle between 0° and 360° that is equivalent to 650°290°23°124°44°18. If sinθ = -5/13, where θ is an angle between 270° and 360°, calculate , without using mathematical tables, the values of cos3θ22/754828/2197234/64452/319. Find the value of sin 405°0.32450.53210.70710.845320. In the diagram below , WXYZ is a cyclic quadrilateral in which WZ = 6cm, ZY = 8.5cm and the diagonal WY = 10 cm. If XW = XY, calculate <XYW18°78°43°53°21. Write the value of the angle in surd form sin 240°√3/2-√3/2-√2√222. PQRS is a quadrilateral in which, PS is parallel to QR. PQ = 16cm, SR = 15 cm and angle QPS = 60° and angle PSQ = 44°.Calculate /QS/50 cm20 cm40 cm30 cm23. If sin 49° = 3/4, find the value of sin 581°.√7/4√7√2√324. Find the angles between 0° and 360° whose tan is -2.1445124°295°23°97°25. Find the values of cos (-11π/3)1/201-126 out of 25
