Question

1. निम्नलिखित के मान निकालिए:
(Osin 60-cos 30%-5-30% cos sd
cos 45
sec 30 - cosec 300
m
Scor60-4 sec 30%-----
sin-30 - 00- 30j ​

Answer 1

Answer:

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Step-by-step explanation:

we know that tan45

∘

=cot45

∘

=sin90

∘

=1,cosec30

∘

=sec60

∘

=2,cos0

∘

=1

cosec30

∘

tan45

∘

+

cot45

∘

sec60

∘

−

2cos0

∘

5sin90

∘

=

2

1

+

1

2

−

2(1)

5(1)

=

2

1

+

1

2

−

2

5

=

2

1+4−5

= 0