The value of
Cot2
30°78 sin245°+ 3. sec? 30° + 2 Co$?90°
2 sec 600+ 3 cosec 304 I ton²60°
2 3 +
-2--
Answers
Answered by
7
Answer:
1 is the correct ans
Explanation:
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Answered by
0
Answer:
15 MAKE ME BRAINLIST
Explanation:
2(sin
2
45
o
+cot
2
30
o
)−3(cosec
2
60
o
−sec
2
60
o
)
=2((
2
1
)
2
+(
3
)
2
)−3((
3
2
)
2
−(2)
2
)
=2(
2
1
+3)−3(
3
4
−4)
=2(
2
1+6
)−3⋅(
3
4−12
)
=7+8
=15.
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