Question

Prove the following

cos θ (1 + tan θ) = 1​

Answer 1

Step-by-step explanation:

cos+sin=1

cos^2+sin^2+2sincos=1

1+sin2=1

sin2=0

theta=0

Answer 2

Prove that:

cos²θ(1+tan²θ)= 1

The question contains the square.

Step-by-step explanation:

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