sinr-sin 16. If x, yz are in A.P, then is zqual o cOs -cosx 3) siin...
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sinr-sin 16. If x, yz are in A.P, then is zqual o cOs -cosx 3) siin y 4) cos y 1) tan y 2) cot y an B tan C+tan D 17. If A. B, C, D be the angles of a quadrilateral, then cot+cot R+oot C+cot ) 1) tan A tan B tan C tan D 2) 0 3) 1 4) cot A cot B cot C cot D (0, +0,) (0,-0,) 18. If cose, 2cos 0,, then tan- 2. is equal to 2. 1 2) 3 1) 3) I 4)-1 (cos o- cos 30)(sin 8a + sin 20.) 19. (sin Sa - sin o)(cos 40-cos 60) 1) 1 2) -1 3) 2 4) -2 20. If cosx + cos y-cos(x+v) = )%3D then 1) x+y 0 2) x= 2y 3) x y 4) 2x y 21. 2m y tan 0+ X+y x tan 0- 1) cos 20 2) 2 cos 20 3) sin 20 4) 2 sin 20 22. Given that (1+V1+x)tan y=1+VI-x. Then sin 4y is equal to 1) 4x 2) 2x 3) x 4) none of these 23. cos' xsin 2x a, sin(ex)xeR, then 1) n=5,a, =1/2 2) n=5,a, = 1/4 3) n=5,a,-1/8 4) n= 5,a, =1/4 24. If cos A+ cos B+cos C I, then AABC is 1) equilateral 2) isosceles 3) right angled 4) none of these 25. The value of cos A+cos B 3015 sin A+ sin B 2015 win A-sin B cos A-cos B I) 0 3) cot201s 4--B 2 2) cot2015A+B 4) 2 tan 2015A+B 26. cos(x-2y) tan(x-y) tan y 1+2 1) 1-2 2) 1-2 54 1+2 3) 1+A 4) ELITE SERIES for Sri Chaltanya ICON StUden sinr-sin 16. If x, yz are in A.P, then is zqual o cOs -cosx 3) siin y 4) cos y 1) tan y 2) cot y an B tan C+tan D 17. If A. B, C, D be the angles of a quadrilateral, then cot+cot R+oot C+cot ) 1) tan A tan B tan C tan D 2) 0 3) 1 4) cot A cot B cot C cot D (0, +0,) (0,-0,) 18. If cose, 2cos 0,, then tan- 2. is equal to 2. 1 2) 3 1) 3) I 4)-1 (cos o- cos 30)(sin 8a + sin 20.) 19. (sin Sa - sin o)(cos 40-cos 60) 1) 1 2) -1 3) 2 4) -2 20. If cosx + cos y-cos(x+v) = )%3D then 1) x+y 0 2) x= 2y 3) x y 4) 2x y 21. 2m y tan 0+ X+y x tan 0- 1) cos 20 2) 2 cos 20 3) sin 20 4) 2 sin 20 22. Given that (1+V1+x)tan y=1+VI-x. Then sin 4y is equal to 1) 4x 2) 2x 3) x 4) none of these 23. cos' xsin 2x a, sin(ex)xeR, then 1) n=5,a, =1/2 2) n=5,a, = 1/4 3) n=5,a,-1/8 4) n= 5,a, =1/4 24. If cos A+ cos B+cos C I, then AABC is 1) equilateral 2) isosceles 3) right angled 4) none of these 25. The value of cos A+cos B 3015 sin A+ sin B 2015 win A-sin B cos A-cos B I) 0 3) cot201s 4--B 2 2) cot2015A+B 4) 2 tan 2015A+B 26. cos(x-2y) tan(x-y) tan y 1+2 1) 1-2 2) 1-2 54 1+2 3) 1+A 4) ELITE SERIES for Sri Chaltanya ICON StUden
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Related Book For
Discrete and Combinatorial Mathematics An Applied Introduction
ISBN: 978-0201726343
5th edition
Authors: Ralph P. Grimaldi
Posted Date:
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