Math, asked by saikumarofficial79, 6 months ago

Q 35 Calculate the value of [Sin 135° + Cos 225°).
Ops: A
0-1/ 2
B.
OO
C.
O-22
D.
O 42
2

Answers

Answered by tuhinafarhana

3

Answer:

0

Step-by-step explanation:

sin135°=sin(2×90°-45°)=sin45°=1/√2

cos225°=cos(2×90°+45°)= -cos45°= -1/√2

therefore, (sin145°+cos225°)

=(1/√2) +(-1/√2)

=0

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