Math, asked by Ramanaadari111, 8 months ago

Sin square 40 degree - cos square 50 degree

Answers

Answered by SampratiSinha
2

Answer:

Answer is zero(0).

Step-by-step explanation:

sin^2 40° - cos^2 50°

sin^2 40° - cos^2 (90°-40°)

sin^2 40° - sin^2 40°

0

IDENTITY USED -

sin(theta) = cos(90°- theta)

Answered by srikarpag17
0

Answer:

sin^2 40degree-cos^2 50

sin^2 40 degree-sin^2 40=0

Step-by-step explanation:

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