Math, asked by vishnu271031, 1 year ago

cos square (theta + 45 )+ cos square( theta-45)= 1

Answers

Answered by arnavpandita1
3
hope this helps
please mark me the brainliest
Attachments:
vishnu271031: sin square { 90-(theta+45)} after this how it happened in subtract
arnavpandita1: change the sign as theta+45 is in brackets
vishnu271031: I am not under stand
vishnu271031: ok
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