Question

4. In AABC, LA = 90°, AB = AC = 1cm. Find sin B, cos C and tan B.​

Answer 1

it is an isosceles right angle triangle.

so as LA= 90°, B=C= 45°(isosceles have 2 same sides with same respective angles)

so sinB = Sin 45

Cos c= cos 45

tan B= tan 45.

find the value.