Question

Q.10.The value of sin230° + cos230° is
(i) O
(ii) 2
(iii) 3
(iv) 1​

Answer 1

Answer:

o

Step-by-step explanation:

hope it will help you thanks me please

Answer 2

Answer:

(iv) 1    

Step-by-step:

sin 230°+ cos 230°

= sin ( 140+ 90) + cos (140+90)

Now, "140 +" shows us that sin and cos are in the second quadrant. That means sin is positive and cos is negative.

so,

=+ sin 90° - cos 90°

= +1-0

= 1

hence the answer is ,

(iv) 1

Hope this helps.