72. cotA/2-TanA/2 is equal to 1)2tanA. 2)2 cosA 3)2secA. 4)2 cot A

Open in App

Solution

Suggest Corrections

Similar questions

(cosecA-cotA)²=1-cosA/1+cosA

(a) Prove that:
$(1 + t a n A)^{2} + (1 - t a n A)^{2} = 2 s e c^{2} A$

(b) If sin (A + B) = 1 and cos (A - B) = 1, find the values of A and B. Given $0 \leq 90^{\circ}$ and $A \geq B$ [6 MARKS]

\frac{sin 18 °}{cos 72 °} \times \frac{tan 150 °}{c o t 60 °}

is equal to

Q. Prove that:

(1 + c o t A)^{2} + (1 - c o t A)^{2} = 2 c o s e c^{2} A

Q. Factorization of

x^{2} - 6 y + 9 - 4 z^{2}

is equal to

Join BYJU'S Learning Program