Can anybody solve the question number seventh sum
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LHS = sec⁴@ - cos⁴@
LHS = (sec²@)² - cos⁴@
LHS = (1-cos²@)² - cos⁴@
LHS = 1²+cos⁴@-2cos²@-cos⁴@
LHS = 1-2cos²@
LHS = RHS
LHS = (sec²@)² - cos⁴@
LHS = (1-cos²@)² - cos⁴@
LHS = 1²+cos⁴@-2cos²@-cos⁴@
LHS = 1-2cos²@
LHS = RHS
snehaprabhu:
thanks dost
you are welcome bro
no i am a girl
sorry for that sis
no problem
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