If sin 15° =VA – \B, then, by using the half-angle formula, find the values of A and B. А. А %3D 2;B В 3 3 B. A = 4; B = 5 %3D D. A = 8; B = 9 %3D

Q: Two sides of a triangle are 3 m and 5 m respectively. If the included angle is changing at the rate…

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Q: II. Perform the indicated operation. 3. 3 cis 305° / 9 cis 65°

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Q: If in a AABC, ZB = 98°, sides a = 12 cm and c=9 cm, %3D %3D then what is the LA? O 41.40° O 56.09° O…

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Q: If integral subscript 2 superscript 3 f(x)dx=4 and integral subscript 3 superscript 5 f(x)dx=7, then…

A: A detailed solution is given below.

Q: In AVWX, x =78 cm, w = 35 cm and ZW=48°. Find all possible values of ZX, to the nearest degree.

A: by sine formula we find value of X

Q: 15T Jasper was asked to evaluate the value of tan in his trigonometry class. His response was "1"…

A: We have to find statement which give wrong answer.

Q: In the triangle ABC in Figure 1.2, sides a and c were measured as & and 10 cm with 0.1 and 0.2…

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Q: 4. Find the value of ?. ? = 185° UR D 51°

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Q: A C If m / ABD - 75° and m/ APC - 40º

A: Given that: m∠ABD=75° and m∠ABC=40°

Q: Find the magnitude of v.     v = 4i

A: Given v = 4i

Q: Complete the following statements.

A: Given: ∠DCG =90°,

Q: The angle between u = 3i- j - 2k and v= i + 2j- 3k is O 60° O 30° 180° 45° 90° O

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Q: Verify that (sinA)² + (cosA)2 =1 for the angle measure. %3D mLA = 45° II II 2) 2.

A: Given  m∠A=45° To verify  sinA2+cosA2=1 The values here will be sin45°=22cos45°=22