5. 1 Let sinx and x in an angle in quadrant III . а. 2+0 Find sin(2x),cos(2x) and tan(2x). b. Suppose a triangle ABC side a = 5 +0 , A=49° and C=61° . Solve the triangle ? c. The point A is on the unit circle. Find A(x, y) from the given information.The y -coordinate of A is -, and x – coordinate is right of y – axis? - 5

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Let sinx
and x in an angle in quadrant III.
а.
2+0
Find sin(2x),cos(2x) and tan(2x).
b. Suppose a triangle ABC side a = 5 + 0 , A=49° and C=61°. Solve the triangle ?
c. The point A is on the unit circle. Find A(x, y) from the given information.The
y -coordinate of A is =, and x – coordinate is right of y – axis?
-1
5
5.
Transcribed Image Text:Let sinx and x in an angle in quadrant III. а. 2+0 Find sin(2x),cos(2x) and tan(2x). b. Suppose a triangle ABC side a = 5 + 0 , A=49° and C=61°. Solve the triangle ? c. The point A is on the unit circle. Find A(x, y) from the given information.The y -coordinate of A is =, and x – coordinate is right of y – axis? -1 5 5.
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