Question

show that sec^2theta -tan^2 theta=1​

Answer 1

Answer:

PYTHAGORAS THEOREM = H²=P²+B²

NOW DIVIDE LEFT HAND SIDE AND RIGHT HAND SIDE WITH B²

H²/B²=P²/B²+P²/P²

(H/B)²=(P/B)²+1

SEC²Ф=TAN²Ф+1

SEC²Ф-TAN²Ф=1

HENCE PROVED

Step-by-step explanation:

Answer 2

Answer:

hope it helps

please mark as brainliest