cos 0⁰ +sin90⁰+ tan45⁰=??
Answers
Answered by
7
Answer:
(cos0
o
+sin45
o
+sin30
o
)(sin90
o
−cos45
o
+cos60
o
)
=(1+
2
1
+
2
1
)(1−
2
1
+
2
1
)
=(1+
2
1
+
2
1
)(1+
2
1
−
2
1
)
=(
2
3
+
2
1
)(
2
3
−
2
1
)
=(
2
3
)
2
−(
2
1
)
2
=
4
9
−
2
1
=
4
7
Step-by-step explanation:
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Answered by
3
cos0°/= sin(90°-0°)
=sin90°
=1
so,
cos0°+ sin90°+tan 45°
= 1+1+1
=3 ans.....
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