plz answer it correctly i will mark it as brainliest three questions
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plz answer it correctly i will mark it as brainliest three questions
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Answer:
5. (-1) ; 6. 0 7. 45°
Step-by-step explanation:
5. cot²∅+1=cosec²∅
cot²∅-cosec²∅=-1
6.17x+23y=40
23x+17y=-40
add
40x+40y=0
x+y=0
7. tanα=1
tanα=tan45
α=45
secβ=1
secβ=sec0
β=0
α+β=45+0=45
Answer:
6.ON ADDING EQN 1 AND 2 WE WILL GET