Question

cos 90 degree + cos square 45 degree sin square 30 degree tan 45 degree​

Answer 1

Answer:

answer for the given problem is given

Answer 2

QUESTION :

cos 90° + cos²45° sin² 30° tan 45°

SOLUTION :

cos 90° = 0

cos45° = 1/√2 and cos²45° = 1/2

sin 30° = 1/2 and sin² 30° = 1/4

tan 45° = 1

NOW PUT THE VALUE OF cos 90° , cos²45° , sin² 30° and tan 45° in => cos 90° + cos²45° sin² 30° tan 45°

by putting the value we get =>

=>0 + (1/2 ×1/4 × 1)

=>0+ 1/8

=>1/8

ANSWER : 1/8

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