3. Evaluate
(1) cos 45º + cos2 135° + cos 225° + cos- 3150
211
3T
(i) sin?
+ COS - tan
3
6
4
(1) cos 225º - sin 225º + tan 495° - cot 495°
250
2
1 1 TT
(iv) (cos 0 - sin ) if (a) 0 =
7п
4
(b) 0 =
3
Answers
Answered by
0
Answer:
NSWER
1+
144
25
=
12
x
⇒
144
169
=
12
x
⇒
12 NSWER
1+
144
25
=
12
x
⇒
144
169
=
12
x
⇒
12
x
=
12
13
⇒x=
12
13
×12
⇒x=13
Answered ByNSWER
1+
144
25
=
12
x
⇒
144
169
=
12
x
⇒
12
x
=
12
13
⇒x=
12
13
×12
⇒x=13
Answered By
x
=
12
13
⇒x=
12
13
×12
⇒x=13
Answered By
Step-by-step explanation:
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