Class
6
th
7
th
8
th
9
th
10
th
11
th
12
th
Close
Find the values using trigonometric ratios
1) Solve cos 48⁰ - sin 42⁰
1
0
6
4
1/10
Solution
Answer:
0
Explanation:
cos 48⁰ - sin 42⁰
= cos (90⁰ - 42⁰) – sin 42⁰
= sin 42⁰ - sin 42⁰
= 0
Take a break!
You have watched Screen for 30 minutes, please relax your eyes by watching any other object at 20 feet for 20 secs.
