19. For all positive angles less than 360°, if csc(2x + 30°) = cos(3y – 15°), the sum of x and y is а. 5° b. 30° C. 95° d. 185° 20. Given that cos 35° = a, express sin 2015° in terms of a. Please see figure at the right. V1-a? е. 1+a2 f. 1- a? 1 g. 1+a? h. -V1- a? 35
19. For all positive angles less than 360°, if csc(2x + 30°) = cos(3y – 15°), the sum of x and y is а. 5° b. 30° C. 95° d. 185° 20. Given that cos 35° = a, express sin 2015° in terms of a. Please see figure at the right. V1-a? е. 1+a2 f. 1- a? 1 g. 1+a? h. -V1- a? 35
19. For all positive angles less than 360°, if csc(2x + 30°) = cos(3y – 15°), the sum of x and y is а. 5° b. 30° C. 95° d. 185° 20. Given that cos 35° = a, express sin 2015° in terms of a. Please see figure at the right. V1-a? е. 1+a2 f. 1- a? 1 g. 1+a? h. -V1- a? 35
Answer the each of the following questions correctly and show your Complete Solutions and Complete Explanations.
Answers(I already provided the answers I just need the COMPLETE SOLUTIONS and Complete Explanations "TRIGONOMETRIC IDENTITIES"
19. D
20. D
Transcribed Image Text:19. D
20.D
Transcribed Image Text:19. For all positive angles less than 360°, if csc(2x + 30°) = cos(3y – 15°), the
sum of x and is
y
а. 5°
b. 30°
c. 95°
d. 185°
20. Given that cos 35° = a, express sin 2015° in terms of a. Please see figure at
the right.
V1-az
е.
1+a2
f. 1- a?
g. 1+a?
h. -V1- a?
35
Equations that give the relation between different trigonometric functions and are true for any value of the variable for the domain. There are six trigonometric functions: sine, cosine, tangent, cotangent, secant, and cosecant.
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