Q1/ Show that 3(sinx-cosx)*+6(sinx + cosx)²+4 (sinºx+cos°x) = 13

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 41E
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Q1/
Show that 3(sinx-cost)*+6(sinx + cosx)+4 (sin'r+cosx) = 13
a2/Prove that cos 17° + sin17°
= tan62°
cos17° - sin17°
2-1
Q3/
Evaluate
lim
x0 V1+x- 1
Q4/Find the angle between the straight-lines 3x - 2y + 9 = 0 and 2x + y - 9 = 0 ?
Transcribed Image Text:Q1/ Show that 3(sinx-cost)*+6(sinx + cosx)+4 (sin'r+cosx) = 13 a2/Prove that cos 17° + sin17° = tan62° cos17° - sin17° 2-1 Q3/ Evaluate lim x0 V1+x- 1 Q4/Find the angle between the straight-lines 3x - 2y + 9 = 0 and 2x + y - 9 = 0 ?
Group (A)
a1/
Prove that
1+ sine
tane + sece - 1
tane - sece + 1
cose
Q2/Prove that cos 17° + sin17°
tan62°
cos17° - sin17°
lim
Q3/
Evaluate
(1 + cosx)3 sec x
Q4/Find the length of the perpendicular from (2,-3) to the line 2x - y +9 = 0 ?
Transcribed Image Text:Group (A) a1/ Prove that 1+ sine tane + sece - 1 tane - sece + 1 cose Q2/Prove that cos 17° + sin17° tan62° cos17° - sin17° lim Q3/ Evaluate (1 + cosx)3 sec x Q4/Find the length of the perpendicular from (2,-3) to the line 2x - y +9 = 0 ?
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