Evaluate the following
[∵ cos θ = sin (90° - θ)]
= 3 + 2
= 5
AI is thinking…
Couldn't generate an explanation.
Generated by AI. May contain inaccuracies — always verify with your textbook.
4. Trigonometric Ratios and Identities
1
2
3
4
4
4
5
5
6
7
7
8
9
10
10
11
12
13
14
15
16
17
18
18
19
20
21
22
22
23
24
24
24
25
26
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
42
42
42
42
42
43
43
43
43
44
45
46
47
48
49
50
51
52
53
54
55
56
1
2
3
3
3
3
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
5
5
5
5
5
5
5
5
5
5
5
5
5
5
6
6
6
7
7
8
8
9
10
11
12
13
13
13
13
14
15
1
2
3
4
5
5
5
5
6
7
8
8
9
9
10
11
11
11
12
12
12
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
48
48
48
48
1
2
3
4
5
6
7
8
9
10
11
12
13
14
14
14
14
14
14
14
14
14
14
15
15
15
15
15
15
15
15
15
15
15
15
16
16
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
Report submitted
Thank you — our team will review your report shortly.