If tan(a + b) = V3 and cot(a - b) = V3; 0° < a + b = 90°, find A and B.
Hence evaluate : 4tanA - V2secA cosecA.
v2
Answers
Answered by
1
Answer:
according to question,
tan(a+b) = tan 60°
and cos (a-B) = cos 30°
equation for this
a+b = 60°. 1
a - b = 30°. 2
adding equation first and second
2a = 90°
a = 45°
putting the value of a in equation first
a+b =60°
45° + b = 60°
b = 15°
Step-by-step explanation:
MARK AS BRANLIST AND Follow me
Similar questions