Math, asked by Yashacharya, 9 months ago

Q.9) Find the value of. Cos60 x
Cos45 - Sin30 Sin45
O A)1
OB)2
O CO
OD) None of these

Answers

Answered by rakibahushen

1

Answer:

c

Step-by-step explanation:

Answered by dunukrish

0

Answer:

Step-by-step explanation:

cos 45°-sin30°×sin45°

=1/√2-1/2×1/√2

=√2/2-√2/4

=√2/4.

So option ( D) is correct

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