Math, asked by sgendrapal, 4 months ago

in triangleABC,righttriangled at C, angleA is equal to angle B, find the value of SinASinB+CosACosB

Answers

Answered by mithleshkumarpalra20

0

Answer:

1

Step-by-step explanation:

GIVEN

Angle C = 90

and Angle A = B. ...(1)

cos(A - B) = sinAsinB+cosAcosB

from equation 1st

Angle A = B

cos(A-A) = cos0 = 1

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