Question

4. Evaluate (without using table):
(a) sin 10° cos 80° + cos 10° sin 80°
​

Answer 1

Answer:

IT IS VERY EASY Q ,

SO STEPS WIIL BE :

SIN 10 COS 80 + COS 10 SIN 80

SIN 10 SIN ( 90 - 80 ) + SIN ( 90 - 10 ) SIN 80

SIN 10 SIN 10 + SIN 80 SIN 80

SIN sq 10 + SIN sq 80

SIN sq ( 10 + 80 )

SIN sq 90

1

Step-by-step explanation:

I THINK ITS CORRECT AND HELP YOU

Answer 2

Answer:

Watch this attachment for your answer..