1.

Cos²∅(1+tan²∅) = 1plzzz answer me​

Answer»

Step-by-step EXPLANATION:

cos^2Φ{1+tan^2Φ}

1+tan^2Φ=sec^2Φ..................(eq1)

PUTTING EQ 1 in question

cos^2Φ(sec^2Φ) = 1

{1/cos^2Φ = sec^2Φ}

hence proved



Discussion

No Comment Found

Related InterviewSolutions