Math, asked by varun1729, 1 year ago

write the value of (cos^2 67-sin^2 23)​

Answers

Answered by theprakhar21
1

Answer:

0

Step-by-step explanation:

cos²67 = sin²23 (cos a = sin(90 - a) eq 1

put eq 1 in given eq

(sin²23-sin²23) = 0

comment if any doubts

Answered by rahul475567
0

Answer:

Step-by-step explanation:

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